3120642120 has 128 divisors (see below), whose sum is σ = 9583142400. Its totient is φ = 812657664.

The previous prime is 3120642097. The next prime is 3120642169. The reversal of 3120642120 is 212460213.

It is a super-2 number, since 2×3120642120² = 19476814482236188800, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1519014 + ... + 1521066.

It is an arithmetic number, because the mean of its divisors is an integer number (74868300).

Almost surely, 2^3120642120 is an apocalyptic number.

3120642120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3120642120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4791571200).

3120642120 is an abundant number, since it is smaller than the sum of its proper divisors (6462500280).

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

3120642120 is a wasteful number, since it uses less digits than its factorization.

3120642120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3120642120 is about 55862.7077754024. The cubic root of 3120642120 is about 1461.3289519729.

The spelling of 3120642120 in words is "three billion, one hundred twenty million, six hundred forty-two thousand, one hundred twenty".