124419445489 has 2 divisors, whose sum is σ = 124419445490. Its totient is φ = 124419445488.

The previous prime is 124419445463. The next prime is 124419445567. The reversal of 124419445489 is 984544914421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122640040000 + 1779405489 = 350200^2 + 42183^2 .

It is a cyclic number.

It is not a de Polignac number, because 124419445489 - 2⁵ = 124419445457 is a prime.

It is not a weakly prime, because it can be changed into another prime (124419445439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62209722744 + 62209722745.

It is an arithmetic number, because the mean of its divisors is an integer number (62209722745).

Almost surely, 2^124419445489 is an apocalyptic number.

It is an amenable number.

124419445489 is a deficient number, since it is larger than the sum of its proper divisors (1).

124419445489 is an equidigital number, since it uses as much as digits as its factorization.

124419445489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 55.

The spelling of 124419445489 in words is "one hundred twenty-four billion, four hundred nineteen million, four hundred forty-five thousand, four hundred eighty-nine".