124399329811 has 2 divisors, whose sum is σ = 124399329812. Its totient is φ = 124399329810.

The previous prime is 124399329757. The next prime is 124399329871. The reversal of 124399329811 is 118923993421.

It is a weak prime.

It is an emirp because it is prime and its reverse (118923993421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124399329811 - 2⁷ = 124399329683 is a prime.

It is not a weakly prime, because it can be changed into another prime (124399329871) 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, 62199664905 + 62199664906.

It is an arithmetic number, because the mean of its divisors is an integer number (62199664906).

Almost surely, 2^124399329811 is an apocalyptic number.

124399329811 is a deficient number, since it is larger than the sum of its proper divisors (1).

124399329811 is an equidigital number, since it uses as much as digits as its factorization.

124399329811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 52.

The spelling of 124399329811 in words is "one hundred twenty-four billion, three hundred ninety-nine million, three hundred twenty-nine thousand, eight hundred eleven".