117038520 has 96 divisors (see below), whose sum is σ = 394495920. Its totient is φ = 31207680.

The previous prime is 117038483. The next prime is 117038521. The reversal of 117038520 is 25830711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117038521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3700 + ... + 15740.

Almost surely, 2^117038520 is an apocalyptic number.

117038520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117038520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197247960).

117038520 is an abundant number, since it is smaller than the sum of its proper divisors (277457400).

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

117038520 is a wasteful number, since it uses less digits than its factorization.

117038520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12067 (or 12051 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 117038520 is about 10818.4342674899. The cubic root of 117038520 is about 489.1509940576.

The spelling of 117038520 in words is "one hundred seventeen million, thirty-eight thousand, five hundred twenty".