125663225 has 12 divisors (see below), whose sum is σ = 156061440. Its totient is φ = 100376400.

The previous prime is 125663203. The next prime is 125663231. The reversal of 125663225 is 522366521.

It is not a de Polignac number, because 125663225 - 2⁸ = 125662969 is a prime.

It is a super-2 number, since 2×125663225² = 31582492234801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125663191 and 125663200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14480 + ... + 21470.

It is an arithmetic number, because the mean of its divisors is an integer number (13005120).

Almost surely, 2^125663225 is an apocalyptic number.

It is an amenable number.

125663225 is a deficient number, since it is larger than the sum of its proper divisors (30398215).

125663225 is an equidigital number, since it uses as much as digits as its factorization.

125663225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720 (or 7715 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 125663225 is about 11209.9609722782. The cubic root of 125663225 is about 500.8827406208.

The spelling of 125663225 in words is "one hundred twenty-five million, six hundred sixty-three thousand, two hundred twenty-five".