3120128 has 44 divisors (see below), whose sum is σ = 6828792. Its totient is φ = 1413120.

The previous prime is 3120127. The next prime is 3120137. The reversal of 3120128 is 8210213.

3120128 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11126 + ... + 11402.

Almost surely, 2^3120128 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 3120128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3414396).

3120128 is an abundant number, since it is smaller than the sum of its proper divisors (3708664).

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

3120128 is a wasteful number, since it uses less digits than its factorization.

3120128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3120128 is about 1766.3884057591. The cubic root of 3120128 is about 146.1248697154.

The spelling of 3120128 in words is "three million, one hundred twenty thousand, one hundred twenty-eight".