6123720 has 32 divisors (see below), whose sum is σ = 18371520. Its totient is φ = 1632960.

The previous prime is 6123713. The next prime is 6123721. The reversal of 6123720 is 273216.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6123721) 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 7 ways as a sum of consecutive naturals, for example, 25396 + ... + 25635.

It is an arithmetic number, because the mean of its divisors is an integer number (574110).

Almost surely, 2^6123720 is an apocalyptic number.

6123720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6123720 is an abundant number, since it is smaller than the sum of its proper divisors (12247800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6123720 is a wasteful number, since it uses less digits than its factorization.

6123720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51045 (or 51041 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 6123720 is about 2474.6151215896. The cubic root of 6123720 is about 182.9525392763.

Subtracting from 6123720 its product of nonzero digits (504), we obtain a palindrome (6123216).

Adding to 6123720 its reverse (273216), we get a palindrome (6396936).

The spelling of 6123720 in words is "six million, one hundred twenty-three thousand, seven hundred twenty".