2125128 has 16 divisors (see below), whose sum is σ = 5312880. Its totient is φ = 708368.

The previous prime is 2125111. The next prime is 2125147. The reversal of 2125128 is 8215212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44250 + ... + 44297.

It is an arithmetic number, because the mean of its divisors is an integer number (332055).

2^2125128 is an apocalyptic number.

It is an amenable number.

2125128 is an abundant number, since it is smaller than the sum of its proper divisors (3187752).

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

2125128 is a wasteful number, since it uses less digits than its factorization.

2125128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88556 (or 88552 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 2125128 is about 1457.7818766880. The cubic root of 2125128 is about 128.5666608461.

The spelling of 2125128 in words is "two million, one hundred twenty-five thousand, one hundred twenty-eight".