3120787825 has 12 divisors (see below), whose sum is σ = 3994609408. Its totient is φ = 2416093200.

The previous prime is 3120787781. The next prime is 3120787853. The reversal of 3120787825 is 5287870213.

It is not a de Polignac number, because 3120787825 - 2¹⁷ = 3120656753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2012637 + ... + 2014186.

Almost surely, 2^3120787825 is an apocalyptic number.

It is an amenable number.

3120787825 is a deficient number, since it is larger than the sum of its proper divisors (873821583).

3120787825 is a wasteful number, since it uses less digits than its factorization.

3120787825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026864 (or 4026859 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 3120787825 is about 55864.0118949579. The cubic root of 3120787825 is about 1461.3516951150.

The spelling of 3120787825 in words is "three billion, one hundred twenty million, seven hundred eighty-seven thousand, eight hundred twenty-five".