125391025 has 12 divisors (see below), whose sum is σ = 155759872. Its totient is φ = 100135440.

The previous prime is 125390987. The next prime is 125391043. The reversal of 125391025 is 520193521.

It is not a de Polignac number, because 125391025 - 2⁹ = 125390513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125390984 and 125391002.

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, 11044 + ... + 19306.

Almost surely, 2^125391025 is an apocalyptic number.

It is an amenable number.

125391025 is a deficient number, since it is larger than the sum of its proper divisors (30368847).

125391025 is an equidigital number, since it uses as much as digits as its factorization.

125391025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880 (or 8875 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 125391025 is about 11197.8134026246. The cubic root of 125391025 is about 500.5208239631.

The spelling of 125391025 in words is "one hundred twenty-five million, three hundred ninety-one thousand, twenty-five".