124635266489 has 2 divisors, whose sum is σ = 124635266490. Its totient is φ = 124635266488.

The previous prime is 124635266387. The next prime is 124635266543. The reversal of 124635266489 is 984662536421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90410266489 + 34225000000 = 300683^2 + 185000^2 .

It is a cyclic number.

It is not a de Polignac number, because 124635266489 - 2¹² = 124635262393 is a prime.

It is not a weakly prime, because it can be changed into another prime (124635268489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62317633244 + 62317633245.

It is an arithmetic number, because the mean of its divisors is an integer number (62317633245).

Almost surely, 2^124635266489 is an apocalyptic number.

It is an amenable number.

124635266489 is a deficient number, since it is larger than the sum of its proper divisors (1).

124635266489 is an equidigital number, since it uses as much as digits as its factorization.

124635266489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 56.

The spelling of 124635266489 in words is "one hundred twenty-four billion, six hundred thirty-five million, two hundred sixty-six thousand, four hundred eighty-nine".