1091332 has 24 divisors (see below), whose sum is σ = 2207520. Its totient is φ = 466560.

The previous prime is 1091329. The next prime is 1091339. The reversal of 1091332 is 2331901.

It is not an unprimeable number, because it can be changed into a prime (1091339) 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, 19 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (91980).

2^1091332 is an apocalyptic number.

It is an amenable number.

1091332 is an abundant number, since it is smaller than the sum of its proper divisors (1116188).

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

1091332 is a wasteful number, since it uses less digits than its factorization.

1091332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1091332 is about 1044.6683684309. The cubic root of 1091332 is about 102.9561506252.

It can be divided in two parts, 109 and 1332, that added together give a palindrome (1441).

The spelling of 1091332 in words is "one million, ninety-one thousand, three hundred thirty-two".