1122356797 has 2 divisors, whose sum is σ = 1122356798. Its totient is φ = 1122356796.

The previous prime is 1122356789. The next prime is 1122356821. The reversal of 1122356797 is 7976532211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855328516 + 267028281 = 29246^2 + 16341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122356797 - 2³ = 1122356789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122356777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561178398 + 561178399.

It is an arithmetic number, because the mean of its divisors is an integer number (561178399).

Almost surely, 2^1122356797 is an apocalyptic number.

It is an amenable number.

1122356797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122356797 is an equidigital number, since it uses as much as digits as its factorization.

1122356797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 1122356797 is about 33501.5939471542. The cubic root of 1122356797 is about 1039.2267418412.

The spelling of 1122356797 in words is "one billion, one hundred twenty-two million, three hundred fifty-six thousand, seven hundred ninety-seven".