124008009 has 8 divisors (see below), whose sum is σ = 165439872. Its totient is φ = 82624080.

The previous prime is 124007999. The next prime is 124008023. The reversal of 124008009 is 900800421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124008009 - 2⁴ = 124007993 is a prime.

It is a super-2 number, since 2×124008009² = 30755972592288162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124008009.

It is not an unprimeable number, because it can be changed into a prime (124008109) 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 7 ways as a sum of consecutive naturals, for example, 5434 + ... + 16659.

It is an arithmetic number, because the mean of its divisors is an integer number (20679984).

Almost surely, 2^124008009 is an apocalyptic number.

It is an amenable number.

124008009 is a deficient number, since it is larger than the sum of its proper divisors (41431863).

124008009 is a wasteful number, since it uses less digits than its factorization.

124008009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23967.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 124008009 is about 11135.8883345695. Note that the first 3 decimals coincide. The cubic root of 124008009 is about 498.6738309947.

The spelling of 124008009 in words is "one hundred twenty-four million, eight thousand, nine".