1091032 has 8 divisors (see below), whose sum is σ = 2045700. Its totient is φ = 545512.

The previous prime is 1091023. The next prime is 1091033. The reversal of 1091032 is 2301901.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1090997 and 1091015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68182 + ... + 68197.

2^1091032 is an apocalyptic number.

It is an amenable number.

1091032 is a deficient number, since it is larger than the sum of its proper divisors (954668).

1091032 is a wasteful number, since it uses less digits than its factorization.

1091032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136385 (or 136381 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1091032 is about 1044.5247723247. The cubic root of 1091032 is about 102.9467157708.

Adding to 1091032 its reverse (2301901), we get a palindrome (3392933).

The spelling of 1091032 in words is "one million, ninety-one thousand, thirty-two".