1120563 has 12 divisors (see below), whose sum is σ = 1704040. Its totient is φ = 707616.

The previous prime is 1120549. The next prime is 1120573. The reversal of 1120563 is 3650211.

It is not a de Polignac number, because 1120563 - 2⁴ = 1120547 is a prime.

It is a super-2 number, since 2×1120563² = 2511322873938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3106 + ... + 3447.

2^1120563 is an apocalyptic number.

1120563 is a deficient number, since it is larger than the sum of its proper divisors (583477).

1120563 is a wasteful number, since it uses less digits than its factorization.

1120563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578 (or 6575 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1120563 is about 1058.5664835049. The cubic root of 1120563 is about 103.8672801589.

Adding to 1120563 its reverse (3650211), we get a palindrome (4770774).

The spelling of 1120563 in words is "one million, one hundred twenty thousand, five hundred sixty-three".