124420244017 has 2 divisors, whose sum is σ = 124420244018. Its totient is φ = 124420244016.

The previous prime is 124420243993. The next prime is 124420244051. The reversal of 124420244017 is 710442024421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92109822016 + 32310422001 = 303496^2 + 179751^2 .

It is an emirp because it is prime and its reverse (710442024421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124420244017 - 2²⁷ = 124286026289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124420244017.

It is not a weakly prime, because it can be changed into another prime (124420244057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62210122008 + 62210122009.

It is an arithmetic number, because the mean of its divisors is an integer number (62210122009).

Almost surely, 2^124420244017 is an apocalyptic number.

It is an amenable number.

124420244017 is a deficient number, since it is larger than the sum of its proper divisors (1).

124420244017 is an equidigital number, since it uses as much as digits as its factorization.

124420244017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 31.

Adding to 124420244017 its reverse (710442024421), we get a palindrome (834862268438).

The spelling of 124420244017 in words is "one hundred twenty-four billion, four hundred twenty million, two hundred forty-four thousand, seventeen".