124803999919 has 2 divisors, whose sum is σ = 124803999920. Its totient is φ = 124803999918.

The previous prime is 124803999863. The next prime is 124804000031. The reversal of 124803999919 is 919999308421.

It is a weak prime.

It is an emirp because it is prime and its reverse (919999308421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124803999919 - 2⁷ = 124803999791 is a prime.

It is a super-2 number, since 2×124803999919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124803999119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62401999959 + 62401999960.

It is an arithmetic number, because the mean of its divisors is an integer number (62401999960).

Almost surely, 2^124803999919 is an apocalyptic number.

124803999919 is a deficient number, since it is larger than the sum of its proper divisors (1).

124803999919 is an equidigital number, since it uses as much as digits as its factorization.

124803999919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11337408, while the sum is 64.

The spelling of 124803999919 in words is "one hundred twenty-four billion, eight hundred three million, nine hundred ninety-nine thousand, nine hundred nineteen".