125645225 has 12 divisors (see below), whose sum is σ = 156545040. Its totient is φ = 100035600.

The previous prime is 125645173. The next prime is 125645227. The reversal of 125645225 is 522546521.

It is a de Polignac number, because none of the positive numbers 2^k-125645225 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 125645191 and 125645200.

It is not an unprimeable number, because it can be changed into a prime (125645227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6635 + ... + 17184.

It is an arithmetic number, because the mean of its divisors is an integer number (13045420).

Almost surely, 2^125645225 is an apocalyptic number.

It is an amenable number.

125645225 is a deficient number, since it is larger than the sum of its proper divisors (30899815).

125645225 is a wasteful number, since it uses less digits than its factorization.

125645225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24040 (or 24035 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 125645225 is about 11209.1580861365. The cubic root of 125645225 is about 500.8588239981.

The spelling of 125645225 in words is "one hundred twenty-five million, six hundred forty-five thousand, two hundred twenty-five".