8122357 has 2 divisors, whose sum is σ = 8122358. Its totient is φ = 8122356.

The previous prime is 8122339. The next prime is 8122369. The reversal of 8122357 is 7532218.

8122357 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 can be written as a sum of positive squares in only one way, i.e., 8071281 + 51076 = 2841^2 + 226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8122357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8122307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4061178 + 4061179.

It is an arithmetic number, because the mean of its divisors is an integer number (4061179).

Almost surely, 2^8122357 is an apocalyptic number.

It is an amenable number.

8122357 is a deficient number, since it is larger than the sum of its proper divisors (1).

8122357 is an equidigital number, since it uses as much as digits as its factorization.

8122357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 8122357 is about 2849.9749121703. The cubic root of 8122357 is about 201.0144870461.

The spelling of 8122357 in words is "eight million, one hundred twenty-two thousand, three hundred fifty-seven".