125420632759 has 2 divisors, whose sum is σ = 125420632760. Its totient is φ = 125420632758.

The previous prime is 125420632703. The next prime is 125420632769. The reversal of 125420632759 is 957236024521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125420632759 - 2¹¹ = 125420630711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125420632769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62710316379 + 62710316380.

It is an arithmetic number, because the mean of its divisors is an integer number (62710316380).

Almost surely, 2^125420632759 is an apocalyptic number.

125420632759 is a deficient number, since it is larger than the sum of its proper divisors (1).

125420632759 is an equidigital number, since it uses as much as digits as its factorization.

125420632759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 125420632759 in words is "one hundred twenty-five billion, four hundred twenty million, six hundred thirty-two thousand, seven hundred fifty-nine".