117911924 has 24 divisors (see below), whose sum is σ = 225039360. Its totient is φ = 53730144.

The previous prime is 117911923. The next prime is 117911947. The reversal of 117911924 is 429119711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117911923) by changing a digit.

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, 10244 + ... + 18459.

It is an arithmetic number, because the mean of its divisors is an integer number (9376640).

Almost surely, 2^117911924 is an apocalyptic number.

It is an amenable number.

117911924 is a deficient number, since it is larger than the sum of its proper divisors (107127436).

117911924 is a wasteful number, since it uses less digits than its factorization.

117911924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28799 (or 28797 counting only the distinct ones).

The product of its digits is 4536, while the sum is 35.

The square root of 117911924 is about 10858.7257079272. The cubic root of 117911924 is about 490.3647485499.

The spelling of 117911924 in words is "one hundred seventeen million, nine hundred eleven thousand, nine hundred twenty-four".