124045445213 has 2 divisors, whose sum is σ = 124045445214. Its totient is φ = 124045445212.

The previous prime is 124045445087. The next prime is 124045445219. The reversal of 124045445213 is 312544540421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114946765444 + 9098679769 = 339038^2 + 95387^2 .

It is an emirp because it is prime and its reverse (312544540421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124045445213 - 2¹⁰ = 124045444189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124045445219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62022722606 + 62022722607.

It is an arithmetic number, because the mean of its divisors is an integer number (62022722607).

Almost surely, 2^124045445213 is an apocalyptic number.

It is an amenable number.

124045445213 is a deficient number, since it is larger than the sum of its proper divisors (1).

124045445213 is an equidigital number, since it uses as much as digits as its factorization.

124045445213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 124045445213 its reverse (312544540421), we get a palindrome (436589985634).

The spelling of 124045445213 in words is "one hundred twenty-four billion, forty-five million, four hundred forty-five thousand, two hundred thirteen".