2143128 has 32 divisors (see below), whose sum is σ = 5770800. Its totient is φ = 659328.

The previous prime is 2143109. The next prime is 2143147. The reversal of 2143128 is 8213412.

It is an interprime number because it is at equal distance from previous prime (2143109) and next prime (2143147).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3123 + ... + 3746.

2^2143128 is an apocalyptic number.

It is an amenable number.

2143128 is an abundant number, since it is smaller than the sum of its proper divisors (3627672).

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

2143128 is a wasteful number, since it uses less digits than its factorization.

2143128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891 (or 6887 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 2143128 is about 1463.9426218264. The cubic root of 2143128 is about 128.9286306742.

The spelling of 2143128 in words is "two million, one hundred forty-three thousand, one hundred twenty-eight".