1122455797 has 2 divisors, whose sum is σ = 1122455798. Its totient is φ = 1122455796.

The previous prime is 1122455767. The next prime is 1122455809. The reversal of 1122455797 is 7975542211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982885201 + 139570596 = 31351^2 + 11814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122455797 - 2⁷ = 1122455669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122455767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561227898 + 561227899.

It is an arithmetic number, because the mean of its divisors is an integer number (561227899).

Almost surely, 2^1122455797 is an apocalyptic number.

It is an amenable number.

1122455797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122455797 is an equidigital number, since it uses as much as digits as its factorization.

1122455797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 43.

The square root of 1122455797 is about 33503.0714562113. The cubic root of 1122455797 is about 1039.2572967185.

The spelling of 1122455797 in words is "one billion, one hundred twenty-two million, four hundred fifty-five thousand, seven hundred ninety-seven".