1106305 has 4 divisors (see below), whose sum is σ = 1327572. Its totient is φ = 885040.

The previous prime is 1106293. The next prime is 1106311. The reversal of 1106305 is 5036011.

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 848241 + 258064 = 921^2 + 508^2 .

It is not a de Polignac number, because 1106305 - 2⁷ = 1106177 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110626 + ... + 110635.

It is an arithmetic number, because the mean of its divisors is an integer number (331893).

2^1106305 is an apocalyptic number.

It is an amenable number.

1106305 is a deficient number, since it is larger than the sum of its proper divisors (221267).

1106305 is an equidigital number, since it uses as much as digits as its factorization.

1106305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221266.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1106305 is about 1051.8103441210. The cubic root of 1106305 is about 103.4248639804.

The spelling of 1106305 in words is "one million, one hundred six thousand, three hundred five".