1091132 has 36 divisors (see below), whose sum is σ = 2346120. Its totient is φ = 441504.

The previous prime is 1091119. The next prime is 1091137. The reversal of 1091132 is 2311901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1091132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091137) 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, 3578 + ... + 3870.

It is an arithmetic number, because the mean of its divisors is an integer number (65170).

2^1091132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1091132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173060).

1091132 is an abundant number, since it is smaller than the sum of its proper divisors (1254988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091132 is a wasteful number, since it uses less digits than its factorization.

1091132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1091132 is about 1044.5726398868. The cubic root of 1091132 is about 102.9498609144.

The spelling of 1091132 in words is "one million, ninety-one thousand, one hundred thirty-two".