117512725 has 24 divisors (see below), whose sum is σ = 159454080. Its totient is φ = 85200000.

The previous prime is 117512711. The next prime is 117512753. The reversal of 117512725 is 527215711.

It is not a de Polignac number, because 117512725 - 2⁵ = 117512693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156100 + ... + 156850.

It is an arithmetic number, because the mean of its divisors is an integer number (6643920).

Almost surely, 2^117512725 is an apocalyptic number.

117512725 is the 6259-th octagonal number.

It is an amenable number.

117512725 is a deficient number, since it is larger than the sum of its proper divisors (41941355).

117512725 is a wasteful number, since it uses less digits than its factorization.

117512725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1336 counting only the distinct ones).

The product of its digits is 4900, while the sum is 31.

The square root of 117512725 is about 10840.3286389297. The cubic root of 117512725 is about 489.8107349014.

The spelling of 117512725 in words is "one hundred seventeen million, five hundred twelve thousand, seven hundred twenty-five".