2123002130 has 16 divisors (see below), whose sum is σ = 3953176920. Its totient is φ = 819917952.

The previous prime is 2123002117. The next prime is 2123002153. The reversal of 2123002130 is 312003212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2018615041 + 104387089 = 44929^2 + 10217^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3660059 + ... + 3660638.

Almost surely, 2^2123002130 is an apocalyptic number.

2123002130 is a deficient number, since it is larger than the sum of its proper divisors (1830174790).

2123002130 is a wasteful number, since it uses less digits than its factorization.

2123002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320733.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2123002130 is about 46076.0472480008. The cubic root of 2123002130 is about 1285.2377602615.

Adding to 2123002130 its reverse (312003212), we get a palindrome (2435005342).

The spelling of 2123002130 in words is "two billion, one hundred twenty-three million, two thousand, one hundred thirty".