125352425420124 has 144 divisors (see below), whose sum is σ = 343023726624768. Its totient is φ = 35522365076352.

The previous prime is 125352425420093. The next prime is 125352425420147. The reversal of 125352425420124 is 421024524253521.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 251633317 + ... + 252130979.

It is an arithmetic number, because the mean of its divisors is an integer number (2382109212672).

Almost surely, 2^{125352425420124} is an apocalyptic number.

125352425420124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125352425420124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171511863312384).

125352425420124 is an abundant number, since it is smaller than the sum of its proper divisors (217671301204644).

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

125352425420124 is a wasteful number, since it uses less digits than its factorization.

125352425420124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501184 (or 501175 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 125352425420124 its reverse (421024524253521), we get a palindrome (546376949673645).

The spelling of 125352425420124 in words is "one hundred twenty-five trillion, three hundred fifty-two billion, four hundred twenty-five million, four hundred twenty thousand, one hundred twenty-four".