118155872 has 24 divisors (see below), whose sum is σ = 233812656. Its totient is φ = 58774912.

The previous prime is 118155871. The next prime is 118155887. The reversal of 118155872 is 278551811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118155871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3068 + ... + 15675.

It is an arithmetic number, because the mean of its divisors is an integer number (9742194).

Almost surely, 2^118155872 is an apocalyptic number.

It is an amenable number.

118155872 is a deficient number, since it is larger than the sum of its proper divisors (115656784).

118155872 is a wasteful number, since it uses less digits than its factorization.

118155872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18950 (or 18942 counting only the distinct ones).

The product of its digits is 22400, while the sum is 38.

The square root of 118155872 is about 10869.9527137886. The cubic root of 118155872 is about 490.7026875073.

The spelling of 118155872 in words is "one hundred eighteen million, one hundred fifty-five thousand, eight hundred seventy-two".