125421024344 has 128 divisors (see below), whose sum is σ = 302929735680. Its totient is φ = 47264515200.

The previous prime is 125421024271. The next prime is 125421024359. The reversal of 125421024344 is 443420124521.

It is a self number, because there is not a number n which added to its sum of digits gives 125421024344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2705279 + ... + 2751249.

It is an arithmetic number, because the mean of its divisors is an integer number (2366638560).

Almost surely, 2^125421024344 is an apocalyptic number.

125421024344 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 125421024344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151464867840).

125421024344 is an abundant number, since it is smaller than the sum of its proper divisors (177508711336).

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

125421024344 is a wasteful number, since it uses less digits than its factorization.

125421024344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46141 (or 46137 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 125421024344 its reverse (443420124521), we get a palindrome (568841148865).

The spelling of 125421024344 in words is "one hundred twenty-five billion, four hundred twenty-one million, twenty-four thousand, three hundred forty-four".