3122971 has 4 divisors (see below), whose sum is σ = 3223744. Its totient is φ = 3022200.

The previous prime is 3122969. The next prime is 3122983. The reversal of 3122971 is 1792213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1792213 = 19 ⋅94327.

It is a cyclic number.

It is not a de Polignac number, because 3122971 - 2¹ = 3122969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122671) 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, 50340 + ... + 50401.

It is an arithmetic number, because the mean of its divisors is an integer number (805936).

Almost surely, 2^3122971 is an apocalyptic number.

3122971 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3122971 is a deficient number, since it is larger than the sum of its proper divisors (100773).

3122971 is a wasteful number, since it uses less digits than its factorization.

3122971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100772.

The product of its digits is 756, while the sum is 25.

The square root of 3122971 is about 1767.1929719190. The cubic root of 3122971 is about 146.1692382894.

The spelling of 3122971 in words is "three million, one hundred twenty-two thousand, nine hundred seventy-one".