8122643 has 2 divisors, whose sum is σ = 8122644. Its totient is φ = 8122642.

The previous prime is 8122619. The next prime is 8122649. The reversal of 8122643 is 3462218.

8122643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8122643 - 2⁶ = 8122579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8122649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4061321 + 4061322.

It is an arithmetic number, because the mean of its divisors is an integer number (4061322).

Almost surely, 2^8122643 is an apocalyptic number.

8122643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8122643 is an equidigital number, since it uses as much as digits as its factorization.

8122643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 8122643 is about 2850.0250876089. The cubic root of 8122643 is about 201.0168463558.

The spelling of 8122643 in words is "eight million, one hundred twenty-two thousand, six hundred forty-three".