3121025252 has 12 divisors (see below), whose sum is σ = 5476679040. Its totient is φ = 1556259816.

The previous prime is 3121025209. The next prime is 3121025293. The reversal of 3121025252 is 2525201213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061552 + ... + 1064487.

It is an arithmetic number, because the mean of its divisors is an integer number (456389920).

Almost surely, 2^3121025252 is an apocalyptic number.

It is an amenable number.

3121025252 is a deficient number, since it is larger than the sum of its proper divisors (2355653788).

3121025252 is a wasteful number, since it uses less digits than its factorization.

3121025252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126410 (or 2126408 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 3121025252 is about 55866.1368988406. The cubic root of 3121025252 is about 1461.3887536581.

Adding to 3121025252 its reverse (2525201213), we get a palindrome (5646226465).

The spelling of 3121025252 in words is "three billion, one hundred twenty-one million, twenty-five thousand, two hundred fifty-two".