1156040233 has 8 divisors (see below), whose sum is σ = 1166397440. Its totient is φ = 1145702880.

The previous prime is 1156040231. The next prime is 1156040261. The reversal of 1156040233 is 3320406511.

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 1156040233 - 2¹ = 1156040231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1156040198 and 1156040207.

It is not an unprimeable number, because it can be changed into a prime (1156040231) 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, 127573 + ... + 136333.

It is an arithmetic number, because the mean of its divisors is an integer number (145799680).

Almost surely, 2^1156040233 is an apocalyptic number.

It is an amenable number.

1156040233 is a deficient number, since it is larger than the sum of its proper divisors (10357207).

1156040233 is a wasteful number, since it uses less digits than its factorization.

1156040233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1156040233 is about 34000.5916566168. The cubic root of 1156040233 is about 1049.5206377256.

Adding to 1156040233 its reverse (3320406511), we get a palindrome (4476446744).

The spelling of 1156040233 in words is "one billion, one hundred fifty-six million, forty thousand, two hundred thirty-three".