1117563 has 12 divisors (see below), whose sum is σ = 1584120. Its totient is φ = 700672.

The previous prime is 1117553. The next prime is 1117579. The reversal of 1117563 is 3657111.

It is not a de Polignac number, because 1117563 - 2⁸ = 1117307 is a prime.

1117563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1117513) 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 11 ways as a sum of consecutive naturals, for example, 223 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (132010).

2^1117563 is an apocalyptic number.

1117563 is a deficient number, since it is larger than the sum of its proper divisors (466557).

1117563 is a wasteful number, since it uses less digits than its factorization.

1117563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1309 counting only the distinct ones).

The product of its digits is 630, while the sum is 24.

The square root of 1117563 is about 1057.1485231508. The cubic root of 1117563 is about 103.7745052678.

The spelling of 1117563 in words is "one million, one hundred seventeen thousand, five hundred sixty-three".