1080863 has 4 divisors (see below), whose sum is σ = 1235280. Its totient is φ = 926448.

The previous prime is 1080857. The next prime is 1080899. The reversal of 1080863 is 3680801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1080863 - 2⁴ = 1080847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080803) 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, 77198 + ... + 77211.

It is an arithmetic number, because the mean of its divisors is an integer number (308820).

2^1080863 is an apocalyptic number.

1080863 is a deficient number, since it is larger than the sum of its proper divisors (154417).

1080863 is an equidigital number, since it uses as much as digits as its factorization.

1080863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154416.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1080863 is about 1039.6456126969. The cubic root of 1080863 is about 102.6258774737.

The spelling of 1080863 in words is "one million, eighty thousand, eight hundred sixty-three".