124960813 has 2 divisors, whose sum is σ = 124960814. Its totient is φ = 124960812.

The previous prime is 124960763. The next prime is 124960819. The reversal of 124960813 is 318069421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73307844 + 51652969 = 8562^2 + 7187^2 .

It is a cyclic number.

It is not a de Polignac number, because 124960813 - 2⁹ = 124960301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124960819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62480406 + 62480407.

It is an arithmetic number, because the mean of its divisors is an integer number (62480407).

Almost surely, 2^124960813 is an apocalyptic number.

It is an amenable number.

124960813 is a deficient number, since it is larger than the sum of its proper divisors (1).

124960813 is an equidigital number, since it uses as much as digits as its factorization.

124960813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 124960813 is about 11178.5872542106. The cubic root of 124960813 is about 499.9477452057.

The spelling of 124960813 in words is "one hundred twenty-four million, nine hundred sixty thousand, eight hundred thirteen".