2147128 has 16 divisors (see below), whose sum is σ = 4095000. Its totient is φ = 1055136.

The previous prime is 2147107. The next prime is 2147137. The reversal of 2147128 is 8217412.

It is a happy number.

It is a super-2 number, since 2×2147128² = 9220317296768, which contains 22 as substring.

It is a congruent 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, 1803 + ... + 2746.

2^2147128 is an apocalyptic number.

It is an amenable number.

2147128 is a deficient number, since it is larger than the sum of its proper divisors (1947872).

2147128 is a wasteful number, since it uses less digits than its factorization.

2147128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614 (or 4610 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 2147128 is about 1465.3081587161. The cubic root of 2147128 is about 129.0087929427.

The spelling of 2147128 in words is "two million, one hundred forty-seven thousand, one hundred twenty-eight".