3120722749075 has 24 divisors (see below), whose sum is σ = 3910045018880. Its totient is φ = 2470552704000.

The previous prime is 3120722749063. The next prime is 3120722749121. The reversal of 3120722749075 is 5709472270213.

It is a happy number.

It is not a de Polignac number, because 3120722749075 - 2⁵ = 3120722749043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22120861 + ... + 22261489.

Almost surely, 2^{3120722749075} is an apocalyptic number.

3120722749075 is a deficient number, since it is larger than the sum of its proper divisors (789322269805).

3120722749075 is a wasteful number, since it uses less digits than its factorization.

3120722749075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149887 (or 149882 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 3120722749075 in words is "three trillion, one hundred twenty billion, seven hundred twenty-two million, seven hundred forty-nine thousand, seventy-five".