117352520 has 32 divisors (see below), whose sum is σ = 264384000. Its totient is φ = 46880448.

The previous prime is 117352517. The next prime is 117352523. The reversal of 117352520 is 25253711.

It is an interprime number because it is at equal distance from previous prime (117352517) and next prime (117352523).

It is a super-2 number, since 2×117352520² = 27543227900700800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117352520.

It is not an unprimeable number, because it can be changed into a prime (117352523) 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, 42131 + ... + 44829.

It is an arithmetic number, because the mean of its divisors is an integer number (8262000).

Almost surely, 2^117352520 is an apocalyptic number.

117352520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117352520 is an abundant number, since it is smaller than the sum of its proper divisors (147031480).

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

117352520 is a wasteful number, since it uses less digits than its factorization.

117352520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 117352520 is about 10832.9368132561. The cubic root of 117352520 is about 489.5880474854.

The spelling of 117352520 in words is "one hundred seventeen million, three hundred fifty-two thousand, five hundred twenty".