118689725 has 24 divisors (see below), whose sum is σ = 183494208. Its totient is φ = 73987200.

The previous prime is 118689689. The next prime is 118689749. The reversal of 118689725 is 527986811.

It is not a de Polignac number, because 118689725 - 2⁶ = 118689661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 118689725.

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, 28904 + ... + 32753.

It is an arithmetic number, because the mean of its divisors is an integer number (7645592).

Almost surely, 2^118689725 is an apocalyptic number.

It is an amenable number.

118689725 is a deficient number, since it is larger than the sum of its proper divisors (64804483).

118689725 is a wasteful number, since it uses less digits than its factorization.

118689725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61685 (or 61680 counting only the distinct ones).

The product of its digits is 241920, while the sum is 47.

The square root of 118689725 is about 10894.4814011499. The cubic root of 118689725 is about 491.4406097960.

The spelling of 118689725 in words is "one hundred eighteen million, six hundred eighty-nine thousand, seven hundred twenty-five".