124126808279 has 2 divisors, whose sum is σ = 124126808280. Its totient is φ = 124126808278.

The previous prime is 124126808263. The next prime is 124126808297. The reversal of 124126808279 is 972808621421.

Together with next prime (124126808297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124126808279 - 2⁴ = 124126808263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124126808209) 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, 62063404139 + 62063404140.

It is an arithmetic number, because the mean of its divisors is an integer number (62063404140).

Almost surely, 2^124126808279 is an apocalyptic number.

124126808279 is a deficient number, since it is larger than the sum of its proper divisors (1).

124126808279 is an equidigital number, since it uses as much as digits as its factorization.

124126808279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 124126808279 in words is "one hundred twenty-four billion, one hundred twenty-six million, eight hundred eight thousand, two hundred seventy-nine".