125302117231 has 4 divisors (see below), whose sum is σ = 125551227312. Its totient is φ = 125053007152.

The previous prime is 125302117219. The next prime is 125302117247. The reversal of 125302117231 is 132711203521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125302117231 - 2¹³ = 125302109039 is a prime.

It is a super-2 number, since 2×125302117231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125302117231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125302117201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124554286 + ... + 124555291.

It is an arithmetic number, because the mean of its divisors is an integer number (31387806828).

Almost surely, 2^125302117231 is an apocalyptic number.

125302117231 is a deficient number, since it is larger than the sum of its proper divisors (249110081).

125302117231 is an equidigital number, since it uses as much as digits as its factorization.

125302117231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249110080.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 125302117231 in words is "one hundred twenty-five billion, three hundred two million, one hundred seventeen thousand, two hundred thirty-one".