125556225 has 24 divisors (see below), whose sum is σ = 214748160. Its totient is φ = 64653120.

The previous prime is 125556217. The next prime is 125556229. The reversal of 125556225 is 522655521.

It is not a de Polignac number, because 125556225 - 2³ = 125556217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125556229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26689 + ... + 31038.

It is an arithmetic number, because the mean of its divisors is an integer number (8947840).

Almost surely, 2^125556225 is an apocalyptic number.

125556225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125556225 is a deficient number, since it is larger than the sum of its proper divisors (89191935).

125556225 is a wasteful number, since it uses less digits than its factorization.

125556225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57769 (or 57764 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 125556225 is about 11205.1874147646. The cubic root of 125556225 is about 500.7405360047.

The spelling of 125556225 in words is "one hundred twenty-five million, five hundred fifty-six thousand, two hundred twenty-five".