125445725 has 12 divisors (see below), whose sum is σ = 159758004. Its totient is φ = 97643520.

The previous prime is 125445713. The next prime is 125445739. The reversal of 125445725 is 527544521.

It can be written as a sum of positive squares in 6 ways, for example, as 252004 + 125193721 = 502^2 + 11189^2 .

It is not a de Polignac number, because 125445725 - 2⁴ = 125445709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 66884 + ... + 68733.

It is an arithmetic number, because the mean of its divisors is an integer number (13313167).

Almost surely, 2^125445725 is an apocalyptic number.

It is an amenable number.

125445725 is a deficient number, since it is larger than the sum of its proper divisors (34312279).

125445725 is a wasteful number, since it uses less digits than its factorization.

125445725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135664 (or 135659 counting only the distinct ones).

The product of its digits is 56000, while the sum is 35.

The square root of 125445725 is about 11200.2555774411. The cubic root of 125445725 is about 500.5935950111.

The spelling of 125445725 in words is "one hundred twenty-five million, four hundred forty-five thousand, seven hundred twenty-five".