1120856 has 32 divisors (see below), whose sum is σ = 2350080. Its totient is φ = 496800.

The previous prime is 1120849. The next prime is 1120871. The reversal of 1120856 is 6580211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2^1120856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175040).

1120856 is an abundant number, since it is smaller than the sum of its proper divisors (1229224).

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

1120856 is a wasteful number, since it uses less digits than its factorization.

1120856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1120856 is about 1058.7048691680. The cubic root of 1120856 is about 103.8763322934.

The spelling of 1120856 in words is "one million, one hundred twenty thousand, eight hundred fifty-six".