1080856 has 16 divisors (see below), whose sum is σ = 2316240. Its totient is φ = 463200.

The previous prime is 1080851. The next prime is 1080857. The reversal of 1080856 is 6580801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080851) 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, 9595 + ... + 9706.

It is an arithmetic number, because the mean of its divisors is an integer number (144765).

2^1080856 is an apocalyptic number.

It is an amenable number.

1080856 is an abundant number, since it is smaller than the sum of its proper divisors (1235384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1080856 is a wasteful number, since it uses less digits than its factorization.

1080856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19314 (or 19310 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1080856 is about 1039.6422461597. The cubic root of 1080856 is about 102.6256559277.

Subtracting 1080856 from its reverse (6580801), we obtain a palindrome (5499945).

It can be divided in two parts, 1080 and 856, that added together give a square (1936 = 44²).

The spelling of 1080856 in words is "one million, eighty thousand, eight hundred fifty-six".