125375125 has 8 divisors (see below), whose sum is σ = 156468312. Its totient is φ = 100300000.

The previous prime is 125375111. The next prime is 125375161. The reversal of 125375125 is 521573521.

It can be written as a sum of positive squares in 4 ways, for example, as 2630884 + 122744241 = 1622^2 + 11079^2 .

It is not a de Polignac number, because 125375125 - 2¹³ = 125366933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501376 + ... + 501625.

It is an arithmetic number, because the mean of its divisors is an integer number (19558539).

Almost surely, 2^125375125 is an apocalyptic number.

It is an amenable number.

125375125 is a deficient number, since it is larger than the sum of its proper divisors (31093187).

125375125 is an equidigital number, since it uses as much as digits as its factorization.

125375125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003016 (or 1003006 counting only the distinct ones).

The product of its digits is 10500, while the sum is 31.

The square root of 125375125 is about 11197.1034200815. The cubic root of 125375125 is about 500.4996671658.

The spelling of 125375125 in words is "one hundred twenty-five million, three hundred seventy-five thousand, one hundred twenty-five".