117154320 has 40 divisors (see below), whose sum is σ = 363179136. Its totient is φ = 31241088.

The previous prime is 117154319. The next prime is 117154337. The reversal of 117154320 is 23451711.

It is a tau number, because it is divible by the number of its divisors (40).

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243832 + ... + 244311.

Almost surely, 2^117154320 is an apocalyptic number.

117154320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117154320 is an abundant number, since it is smaller than the sum of its proper divisors (246024816).

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

117154320 is a wasteful number, since it uses less digits than its factorization.

117154320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488159 (or 488153 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 117154320 is about 10823.7849202578. The cubic root of 117154320 is about 489.3122657880.

The spelling of 117154320 in words is "one hundred seventeen million, one hundred fifty-four thousand, three hundred twenty".