125760476021 has 2 divisors, whose sum is σ = 125760476022. Its totient is φ = 125760476020.

The previous prime is 125760475937. The next prime is 125760476197. The reversal of 125760476021 is 120674067521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97909539025 + 27850936996 = 312905^2 + 166886^2 .

It is a cyclic number.

It is not a de Polignac number, because 125760476021 - 2³⁰ = 124686734197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125760476021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125760472021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62880238010 + 62880238011.

It is an arithmetic number, because the mean of its divisors is an integer number (62880238011).

Almost surely, 2^125760476021 is an apocalyptic number.

It is an amenable number.

125760476021 is a deficient number, since it is larger than the sum of its proper divisors (1).

125760476021 is an equidigital number, since it uses as much as digits as its factorization.

125760476021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 125760476021 in words is "one hundred twenty-five billion, seven hundred sixty million, four hundred seventy-six thousand, twenty-one".