3121367 has 2 divisors, whose sum is σ = 3121368. Its totient is φ = 3121366.

The previous prime is 3121361. The next prime is 3121379. The reversal of 3121367 is 7631213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3121367 - 2⁶ = 3121303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121361) by changing a digit.

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 as a sum of consecutive naturals, namely, 1560683 + 1560684.

It is an arithmetic number, because the mean of its divisors is an integer number (1560684).

Almost surely, 2^3121367 is an apocalyptic number.

3121367 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121367 is an equidigital number, since it uses as much as digits as its factorization.

3121367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 3121367 is about 1766.7390865660. The cubic root of 3121367 is about 146.1442091735.

The spelling of 3121367 in words is "three million, one hundred twenty-one thousand, three hundred sixty-seven".