1104663 has 16 divisors (see below), whose sum is σ = 1725696. Its totient is φ = 615360.

The previous prime is 1104661. The next prime is 1104671. The reversal of 1104663 is 3664011.

It is not a de Polignac number, because 1104663 - 2¹ = 1104661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (107856).

2^1104663 is an apocalyptic number.

1104663 is a deficient number, since it is larger than the sum of its proper divisors (621033).

1104663 is a wasteful number, since it uses less digits than its factorization.

1104663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1104663 is about 1051.0294953045. The cubic root of 1104663 is about 103.3736702274.

Adding to 1104663 its reverse (3664011), we get a palindrome (4768674).

The spelling of 1104663 in words is "one million, one hundred four thousand, six hundred sixty-three".