125124225013 has 16 divisors (see below), whose sum is σ = 137304599040. Its totient is φ = 113579064000.

The previous prime is 125124224999. The next prime is 125124225029. The reversal of 125124225013 is 310522421521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125124225013 - 2²⁵ = 125090670581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125124225613) 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, 992170 + ... + 1111147.

It is an arithmetic number, because the mean of its divisors is an integer number (8581537440).

Almost surely, 2^125124225013 is an apocalyptic number.

It is an amenable number.

125124225013 is a deficient number, since it is larger than the sum of its proper divisors (12180374027).

125124225013 is a wasteful number, since it uses less digits than its factorization.

125124225013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103468.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 125124225013 its reverse (310522421521), we get a palindrome (435646646534).

The spelling of 125124225013 in words is "one hundred twenty-five billion, one hundred twenty-four million, two hundred twenty-five thousand, thirteen".