1121320233 has 32 divisors (see below), whose sum is σ = 1835212800. Its totient is φ = 670971600.

The previous prime is 1121320199. The next prime is 1121320237. The reversal of 1121320233 is 3320231211.

1121320233 is a `hidden beast` number, since 112 + 1 + 320 + 233 = 666.

It is not a de Polignac number, because 1121320233 - 2¹⁷ = 1121189161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121320237) 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 in 31 ways as a sum of consecutive naturals, for example, 433 + ... + 47358.

It is an arithmetic number, because the mean of its divisors is an integer number (57350400).

Almost surely, 2^1121320233 is an apocalyptic number.

It is an amenable number.

1121320233 is a deficient number, since it is larger than the sum of its proper divisors (713892567).

1121320233 is a wasteful number, since it uses less digits than its factorization.

1121320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47890 (or 47884 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1121320233 is about 33486.1200051603. The cubic root of 1121320233 is about 1038.9067138344.

Adding to 1121320233 its reverse (3320231211), we get a palindrome (4441551444).

The spelling of 1121320233 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, two hundred thirty-three".