125621625 has 16 divisors (see below), whose sum is σ = 209035008. Its totient is φ = 66998000.

The previous prime is 125621603. The next prime is 125621651. The reversal of 125621625 is 526126521.

It is not a de Polignac number, because 125621625 - 2⁷ = 125621497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125621592 and 125621601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167121 + ... + 167870.

It is an arithmetic number, because the mean of its divisors is an integer number (13064688).

Almost surely, 2^125621625 is an apocalyptic number.

125621625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125621625 is a deficient number, since it is larger than the sum of its proper divisors (83413383).

125621625 is an equidigital number, since it uses as much as digits as its factorization.

125621625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335009 (or 334999 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 125621625 is about 11208.1053260576. The cubic root of 125621625 is about 500.8274631873.

The spelling of 125621625 in words is "one hundred twenty-five million, six hundred twenty-one thousand, six hundred twenty-five".