117520524 has 216 divisors, whose sum is σ = 370686960. Its totient is φ = 32060160.

The previous prime is 117520511. The next prime is 117520531. The reversal of 117520524 is 425025711.

117520524 is a `hidden beast` number, since 117 + 5 + 20 + 524 = 666.

It is a super-2 number, since 2×117520524² = 27622147122469152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5109577 + ... + 5109599.

Almost surely, 2^117520524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117520524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185343480).

117520524 is an abundant number, since it is smaller than the sum of its proper divisors (253166436).

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

117520524 is a wasteful number, since it uses less digits than its factorization.

117520524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 117520524 is about 10840.6883545280. The cubic root of 117520524 is about 489.8215704639.

The spelling of 117520524 in words is "one hundred seventeen million, five hundred twenty thousand, five hundred twenty-four".