1080815 has 16 divisors (see below), whose sum is σ = 1413120. Its totient is φ = 790560.

The previous prime is 1080811. The next prime is 1080817. The reversal of 1080815 is 5180801.

It is not a de Polignac number, because 1080815 - 2² = 1080811 is a prime.

It is a super-2 number, since 2×1080815² = 2336322128450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762 + ... + 3128.

It is an arithmetic number, because the mean of its divisors is an integer number (88320).

2^1080815 is an apocalyptic number.

1080815 is a deficient number, since it is larger than the sum of its proper divisors (332305).

1080815 is a wasteful number, since it uses less digits than its factorization.

1080815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 1080815 is about 1039.6225276513. The cubic root of 1080815 is about 102.6243582818.

The spelling of 1080815 in words is "one million, eighty thousand, eight hundred fifteen".