125634354043420 has 24 divisors (see below), whose sum is σ = 267446282446224. Its totient is φ = 49565334197376.

The previous prime is 125634354043411. The next prime is 125634354043423. The reversal of 125634354043420 is 24340453436521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125634354043423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43025462254 + ... + 43025465173.

It is an arithmetic number, because the mean of its divisors is an integer number (11143595101926).

Almost surely, 2^{125634354043420} is an apocalyptic number.

125634354043420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125634354043420 is an abundant number, since it is smaller than the sum of its proper divisors (141811928402804).

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

125634354043420 is a wasteful number, since it uses less digits than its factorization.

125634354043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86050927509 (or 86050927507 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 46.

The spelling of 125634354043420 in words is "one hundred twenty-five trillion, six hundred thirty-four billion, three hundred fifty-four million, forty-three thousand, four hundred twenty".