1100812 has 12 divisors (see below), whose sum is σ = 1940400. Its totient is φ = 546416.

The previous prime is 1100807. The next prime is 1100831. The reversal of 1100812 is 2180011.

It is a junction number, because it is equal to n+sod(n) for n = 1100792 and 1100801.

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, 328 + ... + 1519.

It is an arithmetic number, because the mean of its divisors is an integer number (161700).

2^1100812 is an apocalyptic number.

It is an amenable number.

1100812 is a deficient number, since it is larger than the sum of its proper divisors (839588).

1100812 is a wasteful number, since it uses less digits than its factorization.

1100812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1100812 is about 1049.1958825691. The cubic root of 1100812 is about 103.2534056453.

Adding to 1100812 its reverse (2180011), we get a palindrome (3280823).

The spelling of 1100812 in words is "one million, one hundred thousand, eight hundred twelve".