118421625 has 64 divisors (see below), whose sum is σ = 227335680. Its totient is φ = 53625600.

The previous prime is 118421593. The next prime is 118421651. The reversal of 118421625 is 526124811.

It is not a de Polignac number, because 118421625 - 2⁵ = 118421593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118421592 and 118421601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 517011 + ... + 517239.

It is an arithmetic number, because the mean of its divisors is an integer number (3552120).

Almost surely, 2^118421625 is an apocalyptic number.

118421625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118421625 is a deficient number, since it is larger than the sum of its proper divisors (108914055).

118421625 is a wasteful number, since it uses less digits than its factorization.

118421625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 441 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 118421625 is about 10882.1700501325. The cubic root of 118421625 is about 491.0703037833.

The spelling of 118421625 in words is "one hundred eighteen million, four hundred twenty-one thousand, six hundred twenty-five".