124000999 has 2 divisors, whose sum is σ = 124001000. Its totient is φ = 124000998.

The previous prime is 124000967. The next prime is 124001021. The reversal of 124000999 is 999000421.

It is a strong prime.

It is an emirp because it is prime and its reverse (999000421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124000999 - 2⁵ = 124000967 is a prime.

124000999 is a modest number, since divided by 999 gives 124 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124006999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000499 + 62000500.

It is an arithmetic number, because the mean of its divisors is an integer number (62000500).

Almost surely, 2^124000999 is an apocalyptic number.

124000999 is a deficient number, since it is larger than the sum of its proper divisors (1).

124000999 is an equidigital number, since it uses as much as digits as its factorization.

124000999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 124000999 is about 11135.5735819939. The cubic root of 124000999 is about 498.6644343720.

The spelling of 124000999 in words is "one hundred twenty-four million, nine hundred ninety-nine", and thus it is an aban number.