1161133 has 4 divisors (see below), whose sum is σ = 1166848. Its totient is φ = 1155420.

The previous prime is 1161113. The next prime is 1161137. The reversal of 1161133 is 3311611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1161133 - 2⁵ = 1161101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (291712).

2^1161133 is an apocalyptic number.

It is an amenable number.

1161133 is a deficient number, since it is larger than the sum of its proper divisors (5715).

1161133 is an equidigital number, since it uses as much as digits as its factorization.

1161133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714.

The product of its digits is 54, while the sum is 16.

The square root of 1161133 is about 1077.5588151001. The cubic root of 1161133 is about 105.1059550256.

Adding to 1161133 its reverse (3311611), we get a palindrome (4472744).

The spelling of 1161133 in words is "one million, one hundred sixty-one thousand, one hundred thirty-three".