124242499 has 2 divisors, whose sum is σ = 124242500. Its totient is φ = 124242498.

The previous prime is 124242493. The next prime is 124242551. The reversal of 124242499 is 994242421.

It is a weak prime.

It is an emirp because it is prime and its reverse (994242421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124242499 - 2⁹ = 124241987 is a prime.

It is not a weakly prime, because it can be changed into another prime (124242493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62121249 + 62121250.

It is an arithmetic number, because the mean of its divisors is an integer number (62121250).

Almost surely, 2^124242499 is an apocalyptic number.

124242499 is a deficient number, since it is larger than the sum of its proper divisors (1).

124242499 is an equidigital number, since it uses as much as digits as its factorization.

124242499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 124242499 is about 11146.4119338916. The cubic root of 124242499 is about 498.9879515647.

The spelling of 124242499 in words is "one hundred twenty-four million, two hundred forty-two thousand, four hundred ninety-nine".