125190831225 has 24 divisors (see below), whose sum is σ = 207963158752. Its totient is φ = 66451996800.

The previous prime is 125190831211. The next prime is 125190831239. The reversal of 125190831225 is 522138091521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125190831211) and next prime (125190831239).

It is not a de Polignac number, because 125190831225 - 2⁷ = 125190831097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3939652 + ... + 3971301.

Almost surely, 2^125190831225 is an apocalyptic number.

125190831225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125190831225 is a deficient number, since it is larger than the sum of its proper divisors (82772327527).

125190831225 is a wasteful number, since it uses less digits than its factorization.

125190831225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911177 (or 7911172 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 125190831225 in words is "one hundred twenty-five billion, one hundred ninety million, eight hundred thirty-one thousand, two hundred twenty-five".