2112130 has 8 divisors (see below), whose sum is σ = 3801852. Its totient is φ = 844848.

The previous prime is 2112127. The next prime is 2112139. The reversal of 2112130 is 312112.

It can be written as a sum of positive squares in 2 ways, for example, as 1776889 + 335241 = 1333^2 + 579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112130² = 8922186273800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 211213 = 2112130 / (2 + 1 + 1 + 2 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (2112139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105597 + ... + 105616.

2^2112130 is an apocalyptic number.

2112130 is a deficient number, since it is larger than the sum of its proper divisors (1689722).

2112130 is a wasteful number, since it uses less digits than its factorization.

2112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211220.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2112130 is about 1453.3168959315. The cubic root of 2112130 is about 128.3040055919.

Adding to 2112130 its reverse (312112), we get a palindrome (2424242).

The spelling of 2112130 in words is "two million, one hundred twelve thousand, one hundred thirty".