117181924 has 24 divisors (see below), whose sum is σ = 212720760. Its totient is φ = 56415744.

The previous prime is 117181921. The next prime is 117181927. The reversal of 117181924 is 429181711.

It is an interprime number because it is at equal distance from previous prime (117181921) and next prime (117181927).

It can be written as a sum of positive squares in 4 ways, for example, as 1232100 + 115949824 = 1110^2 + 10768^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 117181924.

It is not an unprimeable number, because it can be changed into a prime (117181921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49062 + ... + 51394.

It is an arithmetic number, because the mean of its divisors is an integer number (8863365).

Almost surely, 2^117181924 is an apocalyptic number.

It is an amenable number.

117181924 is a deficient number, since it is larger than the sum of its proper divisors (95538836).

117181924 is a wasteful number, since it uses less digits than its factorization.

117181924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2797 counting only the distinct ones).

The product of its digits is 4032, while the sum is 34.

The square root of 117181924 is about 10825.0599998337. The cubic root of 117181924 is about 489.3506934934.

The spelling of 117181924 in words is "one hundred seventeen million, one hundred eighty-one thousand, nine hundred twenty-four".