1088305 has 4 divisors (see below), whose sum is σ = 1305972. Its totient is φ = 870640.

The previous prime is 1088293. The next prime is 1088309. The reversal of 1088305 is 5038801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 461041 + 627264 = 679^2 + 792^2 .

It is not a de Polignac number, because 1088305 - 2⁵ = 1088273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1088305.

It is not an unprimeable number, because it can be changed into a prime (1088309) 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, 108826 + ... + 108835.

It is an arithmetic number, because the mean of its divisors is an integer number (326493).

2^1088305 is an apocalyptic number.

It is an amenable number.

1088305 is a deficient number, since it is larger than the sum of its proper divisors (217667).

1088305 is an equidigital number, since it uses as much as digits as its factorization.

1088305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217666.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1088305 is about 1043.2185772886. The cubic root of 1088305 is about 102.8608735236.

The spelling of 1088305 in words is "one million, eighty-eight thousand, three hundred five".