121198932 has 36 divisors (see below), whose sum is σ = 307734336. Its totient is φ = 40218960.

The previous prime is 121198919. The next prime is 121198943. The reversal of 121198932 is 239891121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×121198932² = 29378362235881248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757 + ... + 15587.

It is an arithmetic number, because the mean of its divisors is an integer number (8548176).

Almost surely, 2^121198932 is an apocalyptic number.

121198932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121198932 is an abundant number, since it is smaller than the sum of its proper divisors (186535404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121198932 is a wasteful number, since it uses less digits than its factorization.

121198932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15068 (or 15063 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 121198932 is about 11009.0386501274. The cubic root of 121198932 is about 494.8796524078.

The spelling of 121198932 in words is "one hundred twenty-one million, one hundred ninety-eight thousand, nine hundred thirty-two".