124000789 has 4 divisors (see below), whose sum is σ = 135273600. Its totient is φ = 112727980.

The previous prime is 124000757. The next prime is 124000819. The reversal of 124000789 is 987000421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124000789 - 2⁵ = 124000757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124000789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124000729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5636389 + ... + 5636410.

It is an arithmetic number, because the mean of its divisors is an integer number (33818400).

Almost surely, 2^124000789 is an apocalyptic number.

It is an amenable number.

124000789 is a deficient number, since it is larger than the sum of its proper divisors (11272811).

124000789 is a wasteful number, since it uses less digits than its factorization.

124000789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11272810.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 124000789 is about 11135.5641527495. The cubic root of 124000789 is about 498.6641528700.

The spelling of 124000789 in words is "one hundred twenty-four million, seven hundred eighty-nine", and thus it is an aban number.