1091036 has 6 divisors (see below), whose sum is σ = 1909320. Its totient is φ = 545516.

The previous prime is 1091033. The next prime is 1091047. The reversal of 1091036 is 6301901.

It is a junction number, because it is equal to n+sod(n) for n = 1090999 and 1091017.

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, 136376 + ... + 136383.

It is an arithmetic number, because the mean of its divisors is an integer number (318220).

2^1091036 is an apocalyptic number.

It is an amenable number.

1091036 is a deficient number, since it is larger than the sum of its proper divisors (818284).

1091036 is a wasteful number, since it uses less digits than its factorization.

1091036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272763 (or 272761 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1091036 is about 1044.5266870693. The cubic root of 1091036 is about 102.9468415802.

Adding to 1091036 its reverse (6301901), we get a palindrome (7392937).

The spelling of 1091036 in words is "one million, ninety-one thousand, thirty-six".