1221

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 3 (3 unique) factors are:
3
11
37

Its 8 divisors are:
1
3
11
33
37
111
407
1221
Its aliquote sum is:
603
makeing it a deficient number.

As Unicode codepoint (since version 3.2) this number represents this character:Ӆ CYRILLIC CAPITAL LETTER EL WITH TAIL in Cyrillic (Source: https://ucdapi.org/unicode/latest/codepoint/dec/1221); HTML: Ӆ

The number appears at position 8731 of the decimal digits of π surrounded by
25547095890455635792122103334669749923563025 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 765.881ms; cpu: 67.164ms)