117242456 has 16 divisors (see below), whose sum is σ = 220125600. Its totient is φ = 58542304.

The previous prime is 117242443. The next prime is 117242497. The reversal of 117242456 is 654242711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3296 + ... + 15663.

It is an arithmetic number, because the mean of its divisors is an integer number (13757850).

Almost surely, 2^117242456 is an apocalyptic number.

It is an amenable number.

117242456 is a deficient number, since it is larger than the sum of its proper divisors (102883144).

117242456 is a wasteful number, since it uses less digits than its factorization.

117242456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19738 (or 19734 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 117242456 is about 10827.8555586967. The cubic root of 117242456 is about 489.4349393571.

The spelling of 117242456 in words is "one hundred seventeen million, two hundred forty-two thousand, four hundred fifty-six".