1105856 has 28 divisors (see below), whose sum is σ = 2258568. Its totient is φ = 536832.

The previous prime is 1105847. The next prime is 1105861. The reversal of 1105856 is 6585011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135 + ... + 2601.

2^1105856 is an apocalyptic number.

1105856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129284).

1105856 is an abundant number, since it is smaller than the sum of its proper divisors (1152712).

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

1105856 is an equidigital number, since it uses as much as digits as its factorization.

1105856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1105856 is about 1051.5968809387. The cubic root of 1105856 is about 103.4108702361.

The spelling of 1105856 in words is "one million, one hundred five thousand, eight hundred fifty-six".