1122804817 has 2 divisors, whose sum is σ = 1122804818. Its totient is φ = 1122804816.

The previous prime is 1122804757. The next prime is 1122804853. The reversal of 1122804817 is 7184082211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115493201 + 7311616 = 33399^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122804817 - 2¹⁹ = 1122280529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122804517) 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, 561402408 + 561402409.

It is an arithmetic number, because the mean of its divisors is an integer number (561402409).

Almost surely, 2^1122804817 is an apocalyptic number.

It is an amenable number.

1122804817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122804817 is an equidigital number, since it uses as much as digits as its factorization.

1122804817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 1122804817 is about 33508.2798275292. The cubic root of 1122804817 is about 1039.3650022198.

The spelling of 1122804817 in words is "one billion, one hundred twenty-two million, eight hundred four thousand, eight hundred seventeen".