125629642231 has 2 divisors, whose sum is σ = 125629642232. Its totient is φ = 125629642230.

The previous prime is 125629642207. The next prime is 125629642249. The reversal of 125629642231 is 132246926521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125629642231 - 2⁵ = 125629642199 is a prime.

It is a super-2 number, since 2×125629642231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125629642291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62814821115 + 62814821116.

It is an arithmetic number, because the mean of its divisors is an integer number (62814821116).

Almost surely, 2^125629642231 is an apocalyptic number.

125629642231 is a deficient number, since it is larger than the sum of its proper divisors (1).

125629642231 is an equidigital number, since it uses as much as digits as its factorization.

125629642231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The spelling of 125629642231 in words is "one hundred twenty-five billion, six hundred twenty-nine million, six hundred forty-two thousand, two hundred thirty-one".