124663005121 has 2 divisors, whose sum is σ = 124663005122. Its totient is φ = 124663005120.

The previous prime is 124663005101. The next prime is 124663005149. The reversal of 124663005121 is 121500366421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93904860721 + 30758144400 = 306439^2 + 175380^2 .

It is a cyclic number.

It is not a de Polignac number, because 124663005121 - 2¹⁵ = 124662972353 is a prime.

It is not a weakly prime, because it can be changed into another prime (124663005101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62331502560 + 62331502561.

It is an arithmetic number, because the mean of its divisors is an integer number (62331502561).

Almost surely, 2^124663005121 is an apocalyptic number.

It is an amenable number.

124663005121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124663005121 is an equidigital number, since it uses as much as digits as its factorization.

124663005121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 124663005121 in words is "one hundred twenty-four billion, six hundred sixty-three million, five thousand, one hundred twenty-one".