1121123317 has 2 divisors, whose sum is σ = 1121123318. Its totient is φ = 1121123316.

The previous prime is 1121123287. The next prime is 1121123323. The reversal of 1121123317 is 7133211211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1085768401 + 35354916 = 32951^2 + 5946^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121123317 - 2⁷ = 1121123189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121123387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560561658 + 560561659.

It is an arithmetic number, because the mean of its divisors is an integer number (560561659).

Almost surely, 2^1121123317 is an apocalyptic number.

It is an amenable number.

1121123317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121123317 is an equidigital number, since it uses as much as digits as its factorization.

1121123317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 22.

The square root of 1121123317 is about 33483.1796130535. The cubic root of 1121123317 is about 1038.8458958436.

Adding to 1121123317 its reverse (7133211211), we get a palindrome (8254334528).

The spelling of 1121123317 in words is "one billion, one hundred twenty-one million, one hundred twenty-three thousand, three hundred seventeen".