117731924 has 12 divisors (see below), whose sum is σ = 212677248. Its totient is φ = 56967000.

The previous prime is 117731897. The next prime is 117731941. The reversal of 117731924 is 429137711.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 474602 + ... + 474849.

It is an arithmetic number, because the mean of its divisors is an integer number (17723104).

Almost surely, 2^117731924 is an apocalyptic number.

It is an amenable number.

117731924 is a deficient number, since it is larger than the sum of its proper divisors (94945324).

117731924 is a wasteful number, since it uses less digits than its factorization.

117731924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949486 (or 949484 counting only the distinct ones).

The product of its digits is 10584, while the sum is 35.

The square root of 117731924 is about 10850.4342770232. The cubic root of 117731924 is about 490.1150972162.

The spelling of 117731924 in words is "one hundred seventeen million, seven hundred thirty-one thousand, nine hundred twenty-four".