1121233441 has 2 divisors, whose sum is σ = 1121233442. Its totient is φ = 1121233440.

The previous prime is 1121233439. The next prime is 1121233447. The reversal of 1121233441 is 1443321211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 589469841 + 531763600 = 24279^2 + 23060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121233441 - 2¹ = 1121233439 is a prime.

Together with 1121233439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1121233447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560616720 + 560616721.

It is an arithmetic number, because the mean of its divisors is an integer number (560616721).

Almost surely, 2^1121233441 is an apocalyptic number.

It is an amenable number.

1121233441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121233441 is an equidigital number, since it uses as much as digits as its factorization.

1121233441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1121233441 is about 33484.8240401529. The cubic root of 1121233441 is about 1038.8799087894.

Adding to 1121233441 its reverse (1443321211), we get a palindrome (2564554652).

The spelling of 1121233441 in words is "one billion, one hundred twenty-one million, two hundred thirty-three thousand, four hundred forty-one".