1135563 has 16 divisors (see below), whose sum is σ = 1779456. Its totient is φ = 635040.

The previous prime is 1135531. The next prime is 1135597. The reversal of 1135563 is 3655311.

It is not a de Polignac number, because 1135563 - 2⁵ = 1135531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135513) 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, 895 + ... + 1752.

It is an arithmetic number, because the mean of its divisors is an integer number (111216).

2^1135563 is an apocalyptic number.

1135563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1135563 is a deficient number, since it is larger than the sum of its proper divisors (643893).

1135563 is a wasteful number, since it uses less digits than its factorization.

1135563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674.

The product of its digits is 1350, while the sum is 24.

The square root of 1135563 is about 1065.6279838668. The cubic root of 1135563 is about 104.3286876661.

It can be divided in two parts, 11 and 35563, that multiplied together give a palindrome (391193).

The spelling of 1135563 in words is "one million, one hundred thirty-five thousand, five hundred sixty-three".