1121042233 has 2 divisors, whose sum is σ = 1121042234. Its totient is φ = 1121042232.

The previous prime is 1121042231. The next prime is 1121042257. The reversal of 1121042233 is 3322401211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1106693289 + 14348944 = 33267^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121042233 - 2¹ = 1121042231 is a prime.

Together with 1121042231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1121042233.

It is not a weakly prime, because it can be changed into another prime (1121042231) 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, 560521116 + 560521117.

It is an arithmetic number, because the mean of its divisors is an integer number (560521117).

Almost surely, 2^1121042233 is an apocalyptic number.

It is an amenable number.

1121042233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121042233 is an equidigital number, since it uses as much as digits as its factorization.

1121042233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1121042233 is about 33481.9687742522. The cubic root of 1121042233 is about 1038.8208507808.

Adding to 1121042233 its reverse (3322401211), we get a palindrome (4443443444).

The spelling of 1121042233 in words is "one billion, one hundred twenty-one million, forty-two thousand, two hundred thirty-three".