1164563 has 4 divisors (see below), whose sum is σ = 1167240. Its totient is φ = 1161888.

The previous prime is 1164557. The next prime is 1164571. The reversal of 1164563 is 3654611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3654611 = 229 ⋅15959.

It is a cyclic number.

It is not a de Polignac number, because 1164563 - 2²⁰ = 115987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (291810).

2^1164563 is an apocalyptic number.

1164563 is a deficient number, since it is larger than the sum of its proper divisors (2677).

1164563 is an equidigital number, since it uses as much as digits as its factorization.

1164563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676.

The product of its digits is 2160, while the sum is 26.

The square root of 1164563 is about 1079.1492019179. The cubic root of 1164563 is about 105.2093480106.

The spelling of 1164563 in words is "one million, one hundred sixty-four thousand, five hundred sixty-three".