124321666879 has 2 divisors, whose sum is σ = 124321666880. Its totient is φ = 124321666878.

The previous prime is 124321666877. The next prime is 124321666921. The reversal of 124321666879 is 978666123421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124321666879 - 2¹ = 124321666877 is a prime.

Together with 124321666877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124321666871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62160833439 + 62160833440.

It is an arithmetic number, because the mean of its divisors is an integer number (62160833440).

Almost surely, 2^124321666879 is an apocalyptic number.

124321666879 is a deficient number, since it is larger than the sum of its proper divisors (1).

124321666879 is an equidigital number, since it uses as much as digits as its factorization.

124321666879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 55.

The spelling of 124321666879 in words is "one hundred twenty-four billion, three hundred twenty-one million, six hundred sixty-six thousand, eight hundred seventy-nine".