1133161 has 4 divisors (see below), whose sum is σ = 1136212. Its totient is φ = 1130112.

The previous prime is 1133159. The next prime is 1133173. The reversal of 1133161 is 1613311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 462400 = 819^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133161 - 2¹ = 1133159 is a prime.

It is the 1065-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133131) by changing a digit.

It is a nontrivial repunit in base 1064.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876 + ... + 1741.

It is an arithmetic number, because the mean of its divisors is an integer number (284053).

2^1133161 is an apocalyptic number.

It is an amenable number.

1133161 is a deficient number, since it is larger than the sum of its proper divisors (3051).

1133161 is an equidigital number, since it uses as much as digits as its factorization.

1133161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050.

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

The square root of 1133161 is about 1064.5003522780. The cubic root of 1133161 is about 104.2550753088.

Adding to 1133161 its reverse (1613311), we get a palindrome (2746472).

The spelling of 1133161 in words is "one million, one hundred thirty-three thousand, one hundred sixty-one".