117814520 has 32 divisors (see below), whose sum is σ = 267030000. Its totient is φ = 46779648.

The previous prime is 117814519. The next prime is 117814523. The reversal of 117814520 is 25418711.

It is a super-2 number, since 2×117814520² = 27760522245660800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117814523) 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, 5270 + ... + 16229.

Almost surely, 2^117814520 is an apocalyptic number.

117814520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117814520 is an abundant number, since it is smaller than the sum of its proper divisors (149215480).

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

117814520 is a wasteful number, since it uses less digits than its factorization.

117814520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21647 (or 21643 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 117814520 is about 10854.2397246422. The cubic root of 117814520 is about 490.2296854608.

The spelling of 117814520 in words is "one hundred seventeen million, eight hundred fourteen thousand, five hundred twenty".