2122130 has 16 divisors (see below), whose sum is σ = 3850200. Its totient is φ = 842112.

The previous prime is 2122123. The next prime is 2122139. The reversal of 2122130 is 312212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1630729 + 491401 = 1277^2 + 701^2 .

It is not an unprimeable number, because it can be changed into a prime (2122139) 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 7 ways as a sum of consecutive naturals, for example, 596 + ... + 2144.

2^2122130 is an apocalyptic number.

2122130 is a deficient number, since it is larger than the sum of its proper divisors (1728070).

2122130 is a wasteful number, since it uses less digits than its factorization.

2122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2122130 is about 1456.7532392276. The cubic root of 2122130 is about 128.5061744120.

Adding to 2122130 its reverse (312212), we get a palindrome (2434342).

The spelling of 2122130 in words is "two million, one hundred twenty-two thousand, one hundred thirty".