1107856 has 20 divisors (see below), whose sum is σ = 2273292. Its totient is φ = 521216.

The previous prime is 1107853. The next prime is 1107881. The reversal of 1107856 is 6587011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 467856 + 640000 = 684^2 + 800^2 .

It is not an unprimeable number, because it can be changed into a prime (1107851) 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, 1765 + ... + 2308.

2^1107856 is an apocalyptic number.

1107856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1107856 is an abundant number, since it is smaller than the sum of its proper divisors (1165436).

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

1107856 is a wasteful number, since it uses less digits than its factorization.

1107856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098 (or 4092 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1107856 is about 1052.5473861067. The cubic root of 1107856 is about 103.4731740631.

The spelling of 1107856 in words is "one million, one hundred seven thousand, eight hundred fifty-six".