6400124 has 12 divisors (see below), whose sum is σ = 11222064. Its totient is φ = 3193824.

The previous prime is 6400123. The next prime is 6400139. The reversal of 6400124 is 4210046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (935172).

Almost surely, 2^6400124 is an apocalyptic number.

It is an amenable number.

6400124 is a deficient number, since it is larger than the sum of its proper divisors (4821940).

6400124 is a wasteful number, since it uses less digits than its factorization.

6400124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3122 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 6400124 is about 2529.8466356679. The cubic root of 6400124 is about 185.6647524139.

The spelling of 6400124 in words is "six million, four hundred thousand, one hundred twenty-four".