125026112720 has 20 divisors (see below), whose sum is σ = 290685712260. Its totient is φ = 50010445056.

The previous prime is 125026112693. The next prime is 125026112759. The reversal of 125026112720 is 27211620521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78503073856 + 46523038864 = 280184^2 + 215692^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781413125 + ... + 781413284.

It is an arithmetic number, because the mean of its divisors is an integer number (14534285613).

Almost surely, 2^125026112720 is an apocalyptic number.

125026112720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125026112720 is an abundant number, since it is smaller than the sum of its proper divisors (165659599540).

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

125026112720 is a wasteful number, since it uses less digits than its factorization.

125026112720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562826422 (or 1562826416 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 125026112720 in words is "one hundred twenty-five billion, twenty-six million, one hundred twelve thousand, seven hundred twenty".