3121768148 has 12 divisors (see below), whose sum is σ = 5468658720. Its totient is φ = 1559294232.

The previous prime is 3121768141. The next prime is 3121768151. The reversal of 3121768148 is 8418671213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121768141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393038 + ... + 400901.

It is an arithmetic number, because the mean of its divisors is an integer number (455721560).

Almost surely, 2^3121768148 is an apocalyptic number.

It is an amenable number.

3121768148 is a deficient number, since it is larger than the sum of its proper divisors (2346890572).

3121768148 is a wasteful number, since it uses less digits than its factorization.

3121768148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794926 (or 794924 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 3121768148 is about 55872.7853968280. The cubic root of 3121768148 is about 1461.5046956583.

The spelling of 3121768148 in words is "three billion, one hundred twenty-one million, seven hundred sixty-eight thousand, one hundred forty-eight".