1155133 has 12 divisors (see below), whose sum is σ = 1404832. Its totient is φ = 930240.

The previous prime is 1155127. The next prime is 1155149. The reversal of 1155133 is 3315511.

It is not a de Polignac number, because 1155133 - 2⁵ = 1155101 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 1155133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1738 + ... + 2308.

2^1155133 is an apocalyptic number.

It is an amenable number.

1155133 is a deficient number, since it is larger than the sum of its proper divisors (249699).

1155133 is an equidigital number, since it uses as much as digits as its factorization.

1155133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 595 counting only the distinct ones).

The product of its digits is 225, while the sum is 19.

The square root of 1155133 is about 1074.7711384290. The cubic root of 1155133 is about 104.9246019560.

It can be divided in two parts, 11551 and 33, that multiplied together give a palindrome (381183).

The spelling of 1155133 in words is "one million, one hundred fifty-five thousand, one hundred thirty-three".