3120303121 has 8 divisors (see below), whose sum is σ = 3361645224. Its totient is φ = 2879149440.

The previous prime is 3120303091. The next prime is 3120303143. The reversal of 3120303121 is 1213030213.

It can be written as a sum of positive squares in 4 ways, for example, as 55130625 + 3065172496 = 7425^2 + 55364^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3120303121 - 2⁵ = 3120303089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120303095 and 3120303104.

It is not an unprimeable number, because it can be changed into a prime (3120303181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11716 + ... + 79861.

It is an arithmetic number, because the mean of its divisors is an integer number (420205653).

Almost surely, 2^3120303121 is an apocalyptic number.

It is an amenable number.

3120303121 is a deficient number, since it is larger than the sum of its proper divisors (241342103).

3120303121 is a wasteful number, since it uses less digits than its factorization.

3120303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94211.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3120303121 is about 55859.6734773844. The cubic root of 3120303121 is about 1461.2760347662.

Adding to 3120303121 its reverse (1213030213), we get a palindrome (4333333334).

The spelling of 3120303121 in words is "three billion, one hundred twenty million, three hundred three thousand, one hundred twenty-one".