125242938179 has 2 divisors, whose sum is σ = 125242938180. Its totient is φ = 125242938178.

The previous prime is 125242938137. The next prime is 125242938187. The reversal of 125242938179 is 971839242521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125242938179 - 2²⁰ = 125241889603 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125242938179.

It is not a weakly prime, because it can be changed into another prime (125242938199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62621469089 + 62621469090.

It is an arithmetic number, because the mean of its divisors is an integer number (62621469090).

Almost surely, 2^125242938179 is an apocalyptic number.

125242938179 is a deficient number, since it is larger than the sum of its proper divisors (1).

125242938179 is an equidigital number, since it uses as much as digits as its factorization.

125242938179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The spelling of 125242938179 in words is "one hundred twenty-five billion, two hundred forty-two million, nine hundred thirty-eight thousand, one hundred seventy-nine".