125023534131 has 16 divisors (see below), whose sum is σ = 170827574400. Its totient is φ = 81285775680.

The previous prime is 125023534123. The next prime is 125023534147. The reversal of 125023534131 is 131435320521.

It is not a de Polignac number, because 125023534131 - 2³ = 125023534123 is a prime.

It is a super-2 number, since 2×125023534131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125023532131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143676 + ... + 520278.

It is an arithmetic number, because the mean of its divisors is an integer number (10676723400).

Almost surely, 2^125023534131 is an apocalyptic number.

125023534131 is a deficient number, since it is larger than the sum of its proper divisors (45804040269).

125023534131 is a wasteful number, since it uses less digits than its factorization.

125023534131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379346.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 125023534131 its reverse (131435320521), we get a palindrome (256458854652).

The spelling of 125023534131 in words is "one hundred twenty-five billion, twenty-three million, five hundred thirty-four thousand, one hundred thirty-one".