3122130121 has 32 divisors (see below), whose sum is σ = 3687192576. Its totient is φ = 2611968000.

The previous prime is 3122130107. The next prime is 3122130131. The reversal of 3122130121 is 1210312213.

It is a cyclic number.

It is not a de Polignac number, because 3122130121 - 2¹¹ = 3122128073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3122130095 and 3122130104.

It is not an unprimeable number, because it can be changed into a prime (3122130131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2178021 + ... + 2179453.

It is an arithmetic number, because the mean of its divisors is an integer number (115224768).

Almost surely, 2^3122130121 is an apocalyptic number.

It is an amenable number.

3122130121 is a deficient number, since it is larger than the sum of its proper divisors (565062455).

3122130121 is a wasteful number, since it uses less digits than its factorization.

3122130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3122130121 is about 55876.0245633134. The cubic root of 3122130121 is about 1461.5611812533.

Adding to 3122130121 its reverse (1210312213), we get a palindrome (4332442334).

The spelling of 3122130121 in words is "three billion, one hundred twenty-two million, one hundred thirty thousand, one hundred twenty-one".