2128113 has 40 divisors (see below), whose sum is σ = 3577728. Its totient is φ = 1251936.

The previous prime is 2128103. The next prime is 2128153. The reversal of 2128113 is 3118212.

It is not a de Polignac number, because 2128113 - 2⁸ = 2127857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2128103) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45256 + ... + 45302.

2^2128113 is an apocalyptic number.

It is an amenable number.

2128113 is a deficient number, since it is larger than the sum of its proper divisors (1449615).

2128113 is a wasteful number, since it uses less digits than its factorization.

2128113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 106 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 2128113 is about 1458.8053331408. The cubic root of 2128113 is about 128.6268285063.

Subtracting 2128113 from its reverse (3118212), we obtain a palindrome (990099).

The spelling of 2128113 in words is "two million, one hundred twenty-eight thousand, one hundred thirteen".