1121313233 has 8 divisors (see below), whose sum is σ = 1132354080. Its totient is φ = 1110310240.

The previous prime is 1121313229. The next prime is 1121313247. The reversal of 1121313233 is 3323131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121313233 - 2² = 1121313229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121313283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52013 + ... + 70341.

It is an arithmetic number, because the mean of its divisors is an integer number (141544260).

Almost surely, 2^1121313233 is an apocalyptic number.

It is an amenable number.

1121313233 is a deficient number, since it is larger than the sum of its proper divisors (11040847).

1121313233 is a wasteful number, since it uses less digits than its factorization.

1121313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18927.

The product of its digits is 324, while the sum is 20.

The square root of 1121313233 is about 33486.0154840793. The cubic root of 1121313233 is about 1038.9045519893.

Adding to 1121313233 its reverse (3323131211), we get a palindrome (4444444444).

The spelling of 1121313233 in words is "one billion, one hundred twenty-one million, three hundred thirteen thousand, two hundred thirty-three".