125776225 has 9 divisors (see below), whose sum is σ = 156032083. Its totient is φ = 100576120.

The previous prime is 125776187. The next prime is 125776241. The reversal of 125776225 is 522677521.

The square root of 125776225 is 11215.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 45279441 + 80496784 = 6729^2 + 8972^2 .

It is not a de Polignac number, because 125776225 - 2⁷ = 125776097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 54954 + ... + 57196.

Almost surely, 2^125776225 is an apocalyptic number.

125776225 is the 11215-th square number.

125776225 is the 5608-th centered octagonal number.

It is an amenable number.

125776225 is a deficient number, since it is larger than the sum of its proper divisors (30255858).

125776225 is an frugal number, since it uses more digits than its factorization.

125776225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 2248 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The cubic root of 125776225 is about 501.0328317149.

The spelling of 125776225 in words is "one hundred twenty-five million, seven hundred seventy-six thousand, two hundred twenty-five".