121159056 has 40 divisors (see below), whose sum is σ = 313578144. Its totient is φ = 40311040.

The previous prime is 121159043. The next prime is 121159057. The reversal of 121159056 is 650951121.

It is a super-2 number, since 2×121159056² = 29359033701622272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121159057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27571 + ... + 31661.

Almost surely, 2^121159056 is an apocalyptic number.

121159056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121159056 is an abundant number, since it is smaller than the sum of its proper divisors (192419088).

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

121159056 is a wasteful number, since it uses less digits than its factorization.

121159056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 121159056 is about 11007.2274438207. The cubic root of 121159056 is about 494.8253725411.

The spelling of 121159056 in words is "one hundred twenty-one million, one hundred fifty-nine thousand, fifty-six".