118518625 has 8 divisors (see below), whose sum is σ = 147911400. Its totient is φ = 94814800.

The previous prime is 118518607. The next prime is 118518649. The reversal of 118518625 is 526815811.

It can be written as a sum of positive squares in 4 ways, for example, as 37356544 + 81162081 = 6112^2 + 9009^2 .

It is not a de Polignac number, because 118518625 - 2¹⁷ = 118387553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473950 + ... + 474199.

It is an arithmetic number, because the mean of its divisors is an integer number (18488925).

Almost surely, 2^118518625 is an apocalyptic number.

It is an amenable number.

118518625 is a deficient number, since it is larger than the sum of its proper divisors (29392775).

118518625 is an frugal number, since it uses more digits than its factorization.

118518625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948164 (or 948154 counting only the distinct ones).

The product of its digits is 19200, while the sum is 37.

The square root of 118518625 is about 10886.6259695096. The cubic root of 118518625 is about 491.2043469241.

The spelling of 118518625 in words is "one hundred eighteen million, five hundred eighteen thousand, six hundred twenty-five".