3122143 has 2 divisors, whose sum is σ = 3122144. Its totient is φ = 3122142.

The previous prime is 3122117. The next prime is 3122149. The reversal of 3122143 is 3412213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561071 + 1561072.

It is an arithmetic number, because the mean of its divisors is an integer number (1561072).

Almost surely, 2^3122143 is an apocalyptic number.

3122143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122143 is an equidigital number, since it uses as much as digits as its factorization.

3122143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 16.

The square root of 3122143 is about 1766.9586865572. The cubic root of 3122143 is about 146.1563190930.

Adding to 3122143 its reverse (3412213), we get a palindrome (6534356).

The spelling of 3122143 in words is "three million, one hundred twenty-two thousand, one hundred forty-three".