6420124 has 6 divisors (see below), whose sum is σ = 11235224. Its totient is φ = 3210060.

The previous prime is 6420109. The next prime is 6420173. The reversal of 6420124 is 4210246.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 802512 + ... + 802519.

Almost surely, 2^6420124 is an apocalyptic number.

It is an amenable number.

6420124 is a deficient number, since it is larger than the sum of its proper divisors (4815100).

6420124 is a wasteful number, since it uses less digits than its factorization.

6420124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605035 (or 1605033 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 6420124 is about 2533.7963611940. The cubic root of 6420124 is about 185.8579483482.

The spelling of 6420124 in words is "six million, four hundred twenty thousand, one hundred twenty-four".