125221625 has 16 divisors (see below), whose sum is σ = 157422720. Its totient is φ = 99442800.

The previous prime is 125221601. The next prime is 125221631. The reversal of 125221625 is 526122521.

It is not a de Polignac number, because 125221625 - 2⁶ = 125221561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125221594 and 125221603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13772 + ... + 20978.

It is an arithmetic number, because the mean of its divisors is an integer number (9838920).

Almost surely, 2^125221625 is an apocalyptic number.

It is an amenable number.

125221625 is a deficient number, since it is larger than the sum of its proper divisors (32201095).

125221625 is an equidigital number, since it uses as much as digits as its factorization.

125221625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361 (or 7351 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 125221625 is about 11190.2468694842. The cubic root of 125221625 is about 500.2953255313.

The spelling of 125221625 in words is "one hundred twenty-five million, two hundred twenty-one thousand, six hundred twenty-five".