1195855 has 4 divisors (see below), whose sum is σ = 1435032. Its totient is φ = 956680.

The previous prime is 1195849. The next prime is 1195891. The reversal of 1195855 is 5585911.

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

It is not a de Polignac number, because 1195855 - 2¹⁷ = 1064783 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 1195855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119581 + ... + 119590.

It is an arithmetic number, because the mean of its divisors is an integer number (358758).

2^1195855 is an apocalyptic number.

1195855 is a deficient number, since it is larger than the sum of its proper divisors (239177).

1195855 is an equidigital number, since it uses as much as digits as its factorization.

1195855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239176.

The product of its digits is 9000, while the sum is 34.

The square root of 1195855 is about 1093.5515534258. The cubic root of 1195855 is about 106.1433624441.

The spelling of 1195855 in words is "one million, one hundred ninety-five thousand, eight hundred fifty-five".