117001520 has 20 divisors (see below), whose sum is σ = 272028720. Its totient is φ = 46800576.

The previous prime is 117001519. The next prime is 117001541. The reversal of 117001520 is 25100711.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731180 + ... + 731339.

It is an arithmetic number, because the mean of its divisors is an integer number (13601436).

Almost surely, 2^117001520 is an apocalyptic number.

117001520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117001520 is an abundant number, since it is smaller than the sum of its proper divisors (155027200).

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

117001520 is a wasteful number, since it uses less digits than its factorization.

117001520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462532 (or 1462526 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 117001520 is about 10816.7240881886. The cubic root of 117001520 is about 489.0994426700.

The spelling of 117001520 in words is "one hundred seventeen million, one thousand, five hundred twenty".