124019545499 has 2 divisors, whose sum is σ = 124019545500. Its totient is φ = 124019545498.

The previous prime is 124019545493. The next prime is 124019545549. The reversal of 124019545499 is 994545910421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124019545499 - 2¹² = 124019541403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124019545499.

It is not a weakly prime, because it can be changed into another prime (124019545493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62009772749 + 62009772750.

It is an arithmetic number, because the mean of its divisors is an integer number (62009772750).

Almost surely, 2^124019545499 is an apocalyptic number.

124019545499 is a deficient number, since it is larger than the sum of its proper divisors (1).

124019545499 is an equidigital number, since it uses as much as digits as its factorization.

124019545499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 124019545499 in words is "one hundred twenty-four billion, nineteen million, five hundred forty-five thousand, four hundred ninety-nine".