1132809 has 8 divisors (see below), whose sum is σ = 1524960. Its totient is φ = 747936.

The previous prime is 1132793. The next prime is 1132811. The reversal of 1132809 is 9082311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1132809 - 2⁴ = 1132793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (190620).

2^1132809 is an apocalyptic number.

It is an amenable number.

1132809 is a deficient number, since it is larger than the sum of its proper divisors (392151).

1132809 is a wasteful number, since it uses less digits than its factorization.

1132809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1132809 is about 1064.3350036525. The cubic root of 1132809 is about 104.2442790827.

The spelling of 1132809 in words is "one million, one hundred thirty-two thousand, eight hundred nine".