3120515225 has 12 divisors (see below), whose sum is σ = 4037676096. Its totient is φ = 2387872080.

The previous prime is 3120515191. The next prime is 3120515243. The reversal of 3120515225 is 5225150213.

It is not a de Polignac number, because 3120515225 - 2¹² = 3120511129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120515194 and 3120515203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2712917 + ... + 2714066.

It is an arithmetic number, because the mean of its divisors is an integer number (336473008).

Almost surely, 2^3120515225 is an apocalyptic number.

It is an amenable number.

3120515225 is a deficient number, since it is larger than the sum of its proper divisors (917160871).

3120515225 is a wasteful number, since it uses less digits than its factorization.

3120515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427016 (or 5427011 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 3120515225 is about 55861.5719882640. The cubic root of 3120515225 is about 1461.3091443133.

Adding to 3120515225 its reverse (5225150213), we get a palindrome (8345665438).

The spelling of 3120515225 in words is "three billion, one hundred twenty million, five hundred fifteen thousand, two hundred twenty-five".