1080563 has 8 divisors (see below), whose sum is σ = 1230336. Its totient is φ = 939400.

The previous prime is 1080559. The next prime is 1080589. The reversal of 1080563 is 3650801.

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

It is not a de Polignac number, because 1080563 - 2² = 1080559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080523) 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, 1883 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (153792).

2^1080563 is an apocalyptic number.

1080563 is a deficient number, since it is larger than the sum of its proper divisors (149773).

1080563 is a wasteful number, since it uses less digits than its factorization.

1080563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1080563 is about 1039.5013227505. The cubic root of 1080563 is about 102.6163817861.

The spelling of 1080563 in words is "one million, eighty thousand, five hundred sixty-three".