125724217573031 has 16 divisors (see below), whose sum is σ = 157653128936448. Its totient is φ = 97400639983200.

The previous prime is 125724217573027. The next prime is 125724217573037. The reversal of 125724217573031 is 130375712427521.

It is a cyclic number.

It is not a de Polignac number, because 125724217573031 - 2² = 125724217573027 is a prime.

It is a super-2 number, since 2×125724217573031² (a number of 29 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 (125724217573037) 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, 4719009935 + ... + 4719036576.

It is an arithmetic number, because the mean of its divisors is an integer number (9853320558528).

Almost surely, 2^{125724217573031} is an apocalyptic number.

125724217573031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125724217573031 is a deficient number, since it is larger than the sum of its proper divisors (31928911363417).

125724217573031 is a wasteful number, since it uses less digits than its factorization.

125724217573031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438046702.

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 125724217573031 in words is "one hundred twenty-five trillion, seven hundred twenty-four billion, two hundred seventeen million, five hundred seventy-three thousand, thirty-one".