7120304128 has 96 divisors (see below), whose sum is σ = 16479590400. Its totient is φ = 3012452352.

The previous prime is 7120304077. The next prime is 7120304129. The reversal of 7120304128 is 8214030217.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 7120304096 and 7120304105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7120304129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129401 + ... + 1135687.

It is an arithmetic number, because the mean of its divisors is an integer number (171662400).

Almost surely, 2^7120304128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7120304128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8239795200).

7120304128 is an abundant number, since it is smaller than the sum of its proper divisors (9359286272).

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

7120304128 is an equidigital number, since it uses as much as digits as its factorization.

7120304128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7120304128 is about 84381.8945509047. The cubic root of 7120304128 is about 1923.8277342838.

The spelling of 7120304128 in words is "seven billion, one hundred twenty million, three hundred four thousand, one hundred twenty-eight".