3102120390 has 32 divisors (see below), whose sum is σ = 7883036640. Its totient is φ = 778571264.

The previous prime is 3102120323. The next prime is 3102120391. The reversal of 3102120390 is 930212013.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102120391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3040785 + ... + 3041804.

It is an arithmetic number, because the mean of its divisors is an integer number (246344895).

Almost surely, 2^3102120390 is an apocalyptic number.

3102120390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3102120390 is an abundant number, since it is smaller than the sum of its proper divisors (4780916250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3102120390 is a wasteful number, since it uses less digits than its factorization.

3102120390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082616.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3102120390 is about 55696.6820376223. The cubic root of 3102120390 is about 1458.4321052303.

The spelling of 3102120390 in words is "three billion, one hundred two million, one hundred twenty thousand, three hundred ninety".