1123132289 has 2 divisors, whose sum is σ = 1123132290. Its totient is φ = 1123132288.

The previous prime is 1123132279. The next prime is 1123132301. The reversal of 1123132289 is 9822313211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067002225 + 56130064 = 32665^2 + 7492^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123132289 - 2⁸ = 1123132033 is a prime.

It is a super-2 number, since 2×1123132289² = 2522852277188759042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123132249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561566144 + 561566145.

It is an arithmetic number, because the mean of its divisors is an integer number (561566145).

Almost surely, 2^1123132289 is an apocalyptic number.

It is an amenable number.

1123132289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123132289 is an equidigital number, since it uses as much as digits as its factorization.

1123132289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 1123132289 is about 33513.1659053573. The cubic root of 1123132289 is about 1039.4660378426.

The spelling of 1123132289 in words is "one billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred eighty-nine".