1160805 has 16 divisors (see below), whose sum is σ = 1955520. Its totient is φ = 586368.

The previous prime is 1160771. The next prime is 1160807. The reversal of 1160805 is 5080611.

It is not a de Polignac number, because 1160805 - 2¹¹ = 1158757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160807) 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 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (122220).

2^1160805 is an apocalyptic number.

1160805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1160805 is a deficient number, since it is larger than the sum of its proper divisors (794715).

1160805 is a wasteful number, since it uses less digits than its factorization.

1160805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1160805 is about 1077.4066084817. The cubic root of 1160805 is about 105.0960572218.

The spelling of 1160805 in words is "one million, one hundred sixty thousand, eight hundred five".