117051312 has 40 divisors (see below), whose sum is σ = 345581056. Its totient is φ = 33443136.

The previous prime is 117051283. The next prime is 117051323. The reversal of 117051312 is 213150711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173848 + ... + 174519.

Almost surely, 2^117051312 is an apocalyptic number.

117051312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117051312 is an abundant number, since it is smaller than the sum of its proper divisors (228529744).

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

117051312 is a wasteful number, since it uses less digits than its factorization.

117051312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348385 (or 348379 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 117051312 is about 10819.0254644307. The cubic root of 117051312 is about 489.1688143774.

The spelling of 117051312 in words is "one hundred seventeen million, fifty-one thousand, three hundred twelve".