1132561233 has 54 divisors (see below), whose sum is σ = 1782324726. Its totient is φ = 692803584.

The previous prime is 1132561229. The next prime is 1132561247. The reversal of 1132561233 is 3321652311.

1132561233 is a `hidden beast` number, since 1 + 13 + 2 + 5 + 612 + 33 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 428614209 + 703947024 = 20703^2 + 26532^2 .

It is not a de Polignac number, because 1132561233 - 2² = 1132561229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1132561197 and 1132561206.

It is not an unprimeable number, because it can be changed into a prime (1132561333) 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 53 ways as a sum of consecutive naturals, for example, 11675841 + ... + 11675937.

Almost surely, 2^1132561233 is an apocalyptic number.

It is an amenable number.

1132561233 is a deficient number, since it is larger than the sum of its proper divisors (649763493).

1132561233 is an equidigital number, since it uses as much as digits as its factorization.

1132561233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 184 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1132561233 is about 33653.5471087373. The cubic root of 1132561233 is about 1042.3667845582.

The spelling of 1132561233 in words is "one billion, one hundred thirty-two million, five hundred sixty-one thousand, two hundred thirty-three".