125724423061 has 2 divisors, whose sum is σ = 125724423062. Its totient is φ = 125724423060.

The previous prime is 125724423031. The next prime is 125724423073. The reversal of 125724423061 is 160324427521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88450328836 + 37274094225 = 297406^2 + 193065^2 .

It is a cyclic number.

It is not a de Polignac number, because 125724423061 - 2³³ = 117134488469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125724423061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125724423031) 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, 62862211530 + 62862211531.

It is an arithmetic number, because the mean of its divisors is an integer number (62862211531).

Almost surely, 2^125724423061 is an apocalyptic number.

It is an amenable number.

125724423061 is a deficient number, since it is larger than the sum of its proper divisors (1).

125724423061 is an equidigital number, since it uses as much as digits as its factorization.

125724423061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 125724423061 in words is "one hundred twenty-five billion, seven hundred twenty-four million, four hundred twenty-three thousand, sixty-one".