117492912 has 30 divisors (see below), whose sum is σ = 328817372. Its totient is φ = 39164256.

The previous prime is 117492857. The next prime is 117492919. The reversal of 117492912 is 219294711.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (117492919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407818 + ... + 408105.

Almost surely, 2^117492912 is an apocalyptic number.

117492912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117492912 is an abundant number, since it is smaller than the sum of its proper divisors (211324460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117492912 is a wasteful number, since it uses less digits than its factorization.

117492912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815937 (or 815928 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 117492912 is about 10839.4147443485. The cubic root of 117492912 is about 489.7832054983.

The spelling of 117492912 in words is "one hundred seventeen million, four hundred ninety-two thousand, nine hundred twelve".