1091882 has 16 divisors (see below), whose sum is σ = 1845504. Its totient is φ = 480000.

The previous prime is 1091869. The next prime is 1091887. The reversal of 1091882 is 2881901.

It is not an unprimeable number, because it can be changed into a prime (1091887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (115344).

2^1091882 is an apocalyptic number.

1091882 is a deficient number, since it is larger than the sum of its proper divisors (753622).

1091882 is a wasteful number, since it uses less digits than its factorization.

1091882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1091882 is about 1044.9315767073. The cubic root of 1091882 is about 102.9734433687.

It can be divided in two parts, 109 and 1882, that added together give a palindrome (1991).

The spelling of 1091882 in words is "one million, ninety-one thousand, eight hundred eighty-two".