118839172 has 12 divisors (see below), whose sum is σ = 208570320. Its totient is φ = 59247656.

The previous prime is 118839169. The next prime is 118839181. The reversal of 118839172 is 271938811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41422 + ... + 44197.

It is an arithmetic number, because the mean of its divisors is an integer number (17380860).

Almost surely, 2^118839172 is an apocalyptic number.

It is an amenable number.

118839172 is a deficient number, since it is larger than the sum of its proper divisors (89731148).

118839172 is a wasteful number, since it uses less digits than its factorization.

118839172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85970 (or 85968 counting only the distinct ones).

The product of its digits is 24192, while the sum is 40.

The square root of 118839172 is about 10901.3380830061. The cubic root of 118839172 is about 491.6467874882.

The spelling of 118839172 in words is "one hundred eighteen million, eight hundred thirty-nine thousand, one hundred seventy-two".