125722588381 has 16 divisors (see below), whose sum is σ = 137829821248. Its totient is φ = 113973868800.

The previous prime is 125722588337. The next prime is 125722588427. The reversal of 125722588381 is 183885227521.

It is a cyclic number.

It is not a de Polignac number, because 125722588381 - 2²³ = 125714199773 is a prime.

It is a super-2 number, since 2×125722588381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125722588081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70261 + ... + 506341.

It is an arithmetic number, because the mean of its divisors is an integer number (8614363828).

Almost surely, 2^125722588381 is an apocalyptic number.

It is an amenable number.

125722588381 is a deficient number, since it is larger than the sum of its proper divisors (12107232867).

125722588381 is a wasteful number, since it uses less digits than its factorization.

125722588381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436492.

The product of its digits is 2150400, while the sum is 52.

The spelling of 125722588381 in words is "one hundred twenty-five billion, seven hundred twenty-two million, five hundred eighty-eight thousand, three hundred eighty-one".