2130056 has 16 divisors (see below), whose sum is σ = 4009500. Its totient is φ = 1060864.

The previous prime is 2130047. The next prime is 2130061. The reversal of 2130056 is 6500312.

It can be written as a sum of positive squares in 2 ways, for example, as 2102500 + 27556 = 1450^2 + 166^2 .

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, 3296 + ... + 3888.

2^2130056 is an apocalyptic number.

It is an amenable number.

2130056 is a deficient number, since it is larger than the sum of its proper divisors (1879444).

2130056 is a wasteful number, since it uses less digits than its factorization.

2130056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2130056 is about 1459.4711370904. The cubic root of 2130056 is about 128.6659626916.

Adding to 2130056 its reverse (6500312), we get a palindrome (8630368).

The spelling of 2130056 in words is "two million, one hundred thirty thousand, fifty-six".