124043419949 has 2 divisors, whose sum is σ = 124043419950. Its totient is φ = 124043419948.

The previous prime is 124043419939. The next prime is 124043420009. The reversal of 124043419949 is 949914340421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123564904324 + 478515625 = 351518^2 + 21875^2 .

It is a cyclic number.

It is not a de Polignac number, because 124043419949 - 2²⁸ = 123774984493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124043419897 and 124043419906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124043419919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62021709974 + 62021709975.

It is an arithmetic number, because the mean of its divisors is an integer number (62021709975).

Almost surely, 2^124043419949 is an apocalyptic number.

It is an amenable number.

124043419949 is a deficient number, since it is larger than the sum of its proper divisors (1).

124043419949 is an equidigital number, since it uses as much as digits as its factorization.

124043419949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 124043419949 in words is "one hundred twenty-four billion, forty-three million, four hundred nineteen thousand, nine hundred forty-nine".