124012899 has 12 divisors (see below), whose sum is σ = 179236512. Its totient is φ = 82626000.

The previous prime is 124012843. The next prime is 124012919. The reversal of 124012899 is 998210421.

It is not a de Polignac number, because 124012899 - 2⁷ = 124012771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124012099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18229 + ... + 24089.

It is an arithmetic number, because the mean of its divisors is an integer number (14936376).

Almost surely, 2^124012899 is an apocalyptic number.

124012899 is a deficient number, since it is larger than the sum of its proper divisors (55223613).

124012899 is a wasteful number, since it uses less digits than its factorization.

124012899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218 (or 8215 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 124012899 is about 11136.1078927963. The cubic root of 124012899 is about 498.6803856331.

The spelling of 124012899 in words is "one hundred twenty-four million, twelve thousand, eight hundred ninety-nine".