121157162 has 16 divisors (see below), whose sum is σ = 208241280. Its totient is φ = 51788688.

The previous prime is 121157159. The next prime is 121157177. The reversal of 121157162 is 261751121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5678 + ... + 16569.

It is an arithmetic number, because the mean of its divisors is an integer number (13015080).

Almost surely, 2^121157162 is an apocalyptic number.

121157162 is a deficient number, since it is larger than the sum of its proper divisors (87084118).

121157162 is a wasteful number, since it uses less digits than its factorization.

121157162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22645.

The product of its digits is 840, while the sum is 26.

The square root of 121157162 is about 11007.1414091035. The cubic root of 121157162 is about 494.8227941009.

The spelling of 121157162 in words is "one hundred twenty-one million, one hundred fifty-seven thousand, one hundred sixty-two".