117878120 has 32 divisors (see below), whose sum is σ = 273784320. Its totient is φ = 45629760.

The previous prime is 117878107. The next prime is 117878141. The reversal of 117878120 is 21878711.

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 7 ways as a sum of consecutive naturals, for example, 46292 + ... + 48771.

It is an arithmetic number, because the mean of its divisors is an integer number (8555760).

Almost surely, 2^117878120 is an apocalyptic number.

117878120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117878120 is an abundant number, since it is smaller than the sum of its proper divisors (155906200).

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

117878120 is a wasteful number, since it uses less digits than its factorization.

117878120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95105 (or 95101 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 35.

The square root of 117878120 is about 10857.1690601188. The cubic root of 117878120 is about 490.3178834160.

The spelling of 117878120 in words is "one hundred seventeen million, eight hundred seventy-eight thousand, one hundred twenty".