118102920 has 64 divisors (see below), whose sum is σ = 381568320. Its totient is φ = 29071104.

The previous prime is 118102849. The next prime is 118102949. The reversal of 118102920 is 29201811.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36294 + ... + 39413.

It is an arithmetic number, because the mean of its divisors is an integer number (5962005).

Almost surely, 2^118102920 is an apocalyptic number.

118102920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118102920 is an abundant number, since it is smaller than the sum of its proper divisors (263465400).

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

118102920 is a wasteful number, since it uses less digits than its factorization.

118102920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75734 (or 75730 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 118102920 is about 10867.5167356669. The cubic root of 118102920 is about 490.6293731337.

The spelling of 118102920 in words is "one hundred eighteen million, one hundred two thousand, nine hundred twenty".