118921108 has 24 divisors (see below), whose sum is σ = 217375200. Its totient is φ = 56868768.

The previous prime is 118921097. The next prime is 118921123. The reversal of 118921108 is 801129811.

It is a self number, because there is not a number n which added to its sum of digits gives 118921108.

It is a congruent number.

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, 1923 + ... + 15541.

It is an arithmetic number, because the mean of its divisors is an integer number (9057300).

Almost surely, 2^118921108 is an apocalyptic number.

It is an amenable number.

118921108 is a deficient number, since it is larger than the sum of its proper divisors (98454092).

118921108 is a wasteful number, since it uses less digits than its factorization.

118921108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719 (or 13717 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

The square root of 118921108 is about 10905.0955062301. The cubic root of 118921108 is about 491.7597533730.

The spelling of 118921108 in words is "one hundred eighteen million, nine hundred twenty-one thousand, one hundred eight".