3121860552 has 32 divisors (see below), whose sum is σ = 8263749600. Its totient is φ = 979407104.

The previous prime is 3121860551. The next prime is 3121860583. The reversal of 3121860552 is 2550681213.

It is a super-2 number, since 2×3121860552² = 19492026612267489408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3121860551) 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 7 ways as a sum of consecutive naturals, for example, 3825402 + ... + 3826217.

It is an arithmetic number, because the mean of its divisors is an integer number (258242175).

Almost surely, 2^3121860552 is an apocalyptic number.

It is an amenable number.

3121860552 is an abundant number, since it is smaller than the sum of its proper divisors (5141889048).

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

3121860552 is a wasteful number, since it uses less digits than its factorization.

3121860552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651645 (or 7651641 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 3121860552 is about 55873.6123049155. The cubic root of 3121860552 is about 1461.5191156431.

The spelling of 3121860552 in words is "three billion, one hundred twenty-one million, eight hundred sixty thousand, five hundred fifty-two".