1095880 has 16 divisors (see below), whose sum is σ = 2465820. Its totient is φ = 438336.

The previous prime is 1095859. The next prime is 1095907. The reversal of 1095880 is 885901.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 1764 = 1046^2 + 42^2 .

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, 13659 + ... + 13738.

2^1095880 is an apocalyptic number.

1095880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1095880 is an abundant number, since it is smaller than the sum of its proper divisors (1369940).

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

1095880 is a wasteful number, since it uses less digits than its factorization.

1095880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27408 (or 27404 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1095880 is about 1046.8428726414. The cubic root of 1095880 is about 103.0989716986.

The spelling of 1095880 in words is "one million, ninety-five thousand, eight hundred eighty".