124025541545813 has 2 divisors, whose sum is σ = 124025541545814. Its totient is φ = 124025541545812.

The previous prime is 124025541545627. The next prime is 124025541545819. The reversal of 124025541545813 is 318545145520421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99297378547249 + 24728162998564 = 9964807^2 + 4972742^2 .

It is a cyclic number.

It is not a de Polignac number, because 124025541545813 - 2¹⁴ = 124025541529429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124025541545819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62012770772906 + 62012770772907.

It is an arithmetic number, because the mean of its divisors is an integer number (62012770772907).

Almost surely, 2^{124025541545813} is an apocalyptic number.

It is an amenable number.

124025541545813 is a deficient number, since it is larger than the sum of its proper divisors (1).

124025541545813 is an equidigital number, since it uses as much as digits as its factorization.

124025541545813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840000, while the sum is 50.

The spelling of 124025541545813 in words is "one hundred twenty-four trillion, twenty-five billion, five hundred forty-one million, five hundred forty-five thousand, eight hundred thirteen".