1123105597 has 2 divisors, whose sum is σ = 1123105598. Its totient is φ = 1123105596.

The previous prime is 1123105573. The next prime is 1123105601. The reversal of 1123105597 is 7955013211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813732676 + 309372921 = 28526^2 + 17589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123105597 is a prime.

It is a super-2 number, since 2×1123105597² = 2522732364025452818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123105547) 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, 561552798 + 561552799.

It is an arithmetic number, because the mean of its divisors is an integer number (561552799).

Almost surely, 2^1123105597 is an apocalyptic number.

It is an amenable number.

1123105597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123105597 is an equidigital number, since it uses as much as digits as its factorization.

1123105597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 1123105597 is about 33512.7676714413. The cubic root of 1123105597 is about 1039.4578032391.

The spelling of 1123105597 in words is "one billion, one hundred twenty-three million, one hundred five thousand, five hundred ninety-seven".