2122543130 has 8 divisors (see below), whose sum is σ = 3820577652. Its totient is φ = 849017248.

The previous prime is 2122543117. The next prime is 2122543139. The reversal of 2122543130 is 313452212.

It can be written as a sum of positive squares in 2 ways, for example, as 2098464481 + 24078649 = 45809^2 + 4907^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2122543096 and 2122543105.

It is not an unprimeable number, because it can be changed into a prime (2122543139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106127147 + ... + 106127166.

Almost surely, 2^2122543130 is an apocalyptic number.

2122543130 is a deficient number, since it is larger than the sum of its proper divisors (1698034522).

2122543130 is a wasteful number, since it uses less digits than its factorization.

2122543130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212254320.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2122543130 is about 46071.0660827379. The cubic root of 2122543130 is about 1285.1451293839.

Adding to 2122543130 its reverse (313452212), we get a palindrome (2435995342).

The spelling of 2122543130 in words is "two billion, one hundred twenty-two million, five hundred forty-three thousand, one hundred thirty".