1088855 has 4 divisors (see below), whose sum is σ = 1306632. Its totient is φ = 871080.

The previous prime is 1088851. The next prime is 1088903. The reversal of 1088855 is 5588801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5588801 = 17 ⋅328753.

It is not a de Polignac number, because 1088855 - 2² = 1088851 is a prime.

It is a super-2 number, since 2×1088855² = 2371210422050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108881 + ... + 108890.

It is an arithmetic number, because the mean of its divisors is an integer number (326658).

2^1088855 is an apocalyptic number.

1088855 is a deficient number, since it is larger than the sum of its proper divisors (217777).

1088855 is an equidigital number, since it uses as much as digits as its factorization.

1088855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217776.

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 1088855 is about 1043.4821512609. The cubic root of 1088855 is about 102.8781983093.

The spelling of 1088855 in words is "one million, eighty-eight thousand, eight hundred fifty-five".