117939512 has 8 divisors (see below), whose sum is σ = 221136600. Its totient is φ = 58969752.

The previous prime is 117939509. The next prime is 117939529. The reversal of 117939512 is 215939711.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7371212 + ... + 7371227.

It is an arithmetic number, because the mean of its divisors is an integer number (27642075).

Almost surely, 2^117939512 is an apocalyptic number.

It is an amenable number.

117939512 is a deficient number, since it is larger than the sum of its proper divisors (103197088).

117939512 is a wasteful number, since it uses less digits than its factorization.

117939512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14742445 (or 14742441 counting only the distinct ones).

The product of its digits is 17010, while the sum is 38.

The square root of 117939512 is about 10859.9959484339. The cubic root of 117939512 is about 490.4029893183.

The spelling of 117939512 in words is "one hundred seventeen million, nine hundred thirty-nine thousand, five hundred twelve".