125231126364 has 36 divisors (see below), whose sum is σ = 316858323600. Its totient is φ = 41703902400.

The previous prime is 125231126353. The next prime is 125231126389. The reversal of 125231126364 is 463621132521.

125231126364 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 3 + 1 + 12 + 636 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×125231126364² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620312 + ... + 1695839.

It is an arithmetic number, because the mean of its divisors is an integer number (8801620100).

Almost surely, 2^125231126364 is an apocalyptic number.

It is an amenable number.

125231126364 is an abundant number, since it is smaller than the sum of its proper divisors (191627197236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125231126364 is a wasteful number, since it uses less digits than its factorization.

125231126364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317210 (or 3317205 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 125231126364 its reverse (463621132521), we get a palindrome (588852258885).

The spelling of 125231126364 in words is "one hundred twenty-five billion, two hundred thirty-one million, one hundred twenty-six thousand, three hundred sixty-four".