1111241233 has 4 divisors (see below), whose sum is σ = 1111452160. Its totient is φ = 1111030308.

The previous prime is 1111241231. The next prime is 1111241249. The reversal of 1111241233 is 3321421111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3321421111 = 41 ⋅81010271.

It is a cyclic number.

It is not a de Polignac number, because 1111241233 - 2¹ = 1111241231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111241233.

It is not an unprimeable number, because it can be changed into a prime (1111241231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97353 + ... + 108166.

It is an arithmetic number, because the mean of its divisors is an integer number (277863040).

Almost surely, 2^1111241233 is an apocalyptic number.

It is an amenable number.

1111241233 is a deficient number, since it is larger than the sum of its proper divisors (210927).

1111241233 is an equidigital number, since it uses as much as digits as its factorization.

1111241233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210926.

The product of its digits is 144, while the sum is 19.

The square root of 1111241233 is about 33335.2851045255. The cubic root of 1111241233 is about 1035.7845989694.

Adding to 1111241233 its reverse (3321421111), we get a palindrome (4432662344).

The spelling of 1111241233 in words is "one billion, one hundred eleven million, two hundred forty-one thousand, two hundred thirty-three".