3120125402 has 16 divisors (see below), whose sum is σ = 4703788800. Its totient is φ = 1552207440.

The previous prime is 3120125401. The next prime is 3120125419. The reversal of 3120125402 is 2045210213.

It is not an unprimeable number, because it can be changed into a prime (3120125401) 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, 795827 + ... + 799737.

It is an arithmetic number, because the mean of its divisors is an integer number (293986800).

Almost surely, 2^3120125402 is an apocalyptic number.

3120125402 is a deficient number, since it is larger than the sum of its proper divisors (1583663398).

3120125402 is a wasteful number, since it uses less digits than its factorization.

3120125402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3120125402 is about 55858.0826917645. The cubic root of 3120125402 is about 1461.2482915805.

Adding to 3120125402 its reverse (2045210213), we get a palindrome (5165335615).

The spelling of 3120125402 in words is "three billion, one hundred twenty million, one hundred twenty-five thousand, four hundred two".