1091092 has 12 divisors (see below), whose sum is σ = 1956276. Its totient is φ = 532160.

The previous prime is 1091071. The next prime is 1091119. The reversal of 1091092 is 2901901.

It can be written as a sum of positive squares in 2 ways, for example, as 38416 + 1052676 = 196^2 + 1026^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3163 + ... + 3490.

It is an arithmetic number, because the mean of its divisors is an integer number (163023).

2^1091092 is an apocalyptic number.

It is an amenable number.

1091092 is a deficient number, since it is larger than the sum of its proper divisors (865184).

1091092 is a wasteful number, since it uses less digits than its factorization.

1091092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6698 (or 6696 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1091092 is about 1044.5534931252. The cubic root of 1091092 is about 102.9486028800.

Adding to 1091092 its reverse (2901901), we get a palindrome (3992993).

The spelling of 1091092 in words is "one million, ninety-one thousand, ninety-two".