1109228117 has 2 divisors, whose sum is σ = 1109228118. Its totient is φ = 1109228116.

The previous prime is 1109228089. The next prime is 1109228123. The reversal of 1109228117 is 7118229011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094220241 + 15007876 = 33079^2 + 3874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109228117 - 2¹² = 1109224021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109228137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554614058 + 554614059.

It is an arithmetic number, because the mean of its divisors is an integer number (554614059).

Almost surely, 2^1109228117 is an apocalyptic number.

It is an amenable number.

1109228117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109228117 is an equidigital number, since it uses as much as digits as its factorization.

1109228117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 1109228117 is about 33305.0764448905. The cubic root of 1109228117 is about 1035.1587477724.

The spelling of 1109228117 in words is "one billion, one hundred nine million, two hundred twenty-eight thousand, one hundred seventeen".