125311125 has 32 divisors (see below), whose sum is σ = 209993472. Its totient is φ = 66360000.

The previous prime is 125311111. The next prime is 125311127. The reversal of 125311125 is 521113521.

It is not a de Polignac number, because 125311125 - 2⁵ = 125311093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125311127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55519 + ... + 57731.

It is an arithmetic number, because the mean of its divisors is an integer number (6562296).

Almost surely, 2^125311125 is an apocalyptic number.

125311125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125311125 is a deficient number, since it is larger than the sum of its proper divisors (84682347).

125311125 is a wasteful number, since it uses less digits than its factorization.

125311125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382 (or 2372 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 125311125 is about 11194.2451733022. The cubic root of 125311125 is about 500.4144896351.

Adding to 125311125 its reverse (521113521), we get a palindrome (646424646).

The spelling of 125311125 in words is "one hundred twenty-five million, three hundred eleven thousand, one hundred twenty-five".