1105663 has 8 divisors (see below), whose sum is σ = 1261008. Its totient is φ = 960384.

The previous prime is 1105661. The next prime is 1105669. The reversal of 1105663 is 3665011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1105663 - 2¹ = 1105661 is a prime.

It is a Duffinian number.

1105663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2281 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (157626).

2^1105663 is an apocalyptic number.

1105663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1105663 is a deficient number, since it is larger than the sum of its proper divisors (155345).

1105663 is a wasteful number, since it uses less digits than its factorization.

1105663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1105663 is about 1051.5051117327. The cubic root of 1105663 is about 103.4048539437.

The spelling of 1105663 in words is "one million, one hundred five thousand, six hundred sixty-three".