1103866 has 4 divisors (see below), whose sum is σ = 1655802. Its totient is φ = 551932.

The previous prime is 1103863. The next prime is 1103873. The reversal of 1103866 is 6683011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 606841 + 497025 = 779^2 + 705^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1103866.

It is not an unprimeable number, because it can be changed into a prime (1103863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275965 + ... + 275968.

2^1103866 is an apocalyptic number.

1103866 is a deficient number, since it is larger than the sum of its proper divisors (551936).

1103866 is an equidigital number, since it uses as much as digits as its factorization.

1103866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551935.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1103866 is about 1050.6502748298. The cubic root of 1103866 is about 103.3488033261.

Adding to 1103866 its reverse (6683011), we get a palindrome (7786877).

The spelling of 1103866 in words is "one million, one hundred three thousand, eight hundred sixty-six".