117297912 has 32 divisors (see below), whose sum is σ = 293651280. Its totient is φ = 39045120.

The previous prime is 117297911. The next prime is 117297913. The reversal of 117297912 is 219792711.

It is an interprime number because it is at equal distance from previous prime (117297911) and next prime (117297913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117297911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16728 + ... + 22680.

Almost surely, 2^117297912 is an apocalyptic number.

117297912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117297912 is an abundant number, since it is smaller than the sum of its proper divisors (176353368).

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

117297912 is a wasteful number, since it uses less digits than its factorization.

117297912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783 (or 6779 counting only the distinct ones).

The product of its digits is 15876, while the sum is 39.

The square root of 117297912 is about 10830.4160584901. The cubic root of 117297912 is about 489.5120952118.

The spelling of 117297912 in words is "one hundred seventeen million, two hundred ninety-seven thousand, nine hundred twelve".