1195863 has 4 divisors (see below), whose sum is σ = 1594488. Its totient is φ = 797240.

The previous prime is 1195849. The next prime is 1195891. The reversal of 1195863 is 3685911.

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

It is a cyclic number.

It is not a de Polignac number, because 1195863 - 2¹² = 1191767 is a prime.

It is a D-number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195463) by changing a digit.

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, 199308 + ... + 199313.

It is an arithmetic number, because the mean of its divisors is an integer number (398622).

2^1195863 is an apocalyptic number.

1195863 is a deficient number, since it is larger than the sum of its proper divisors (398625).

1195863 is an equidigital number, since it uses as much as digits as its factorization.

1195863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398624.

The product of its digits is 6480, while the sum is 33.

The square root of 1195863 is about 1093.5552112262. Note that the first 3 decimals coincide. The cubic root of 1195863 is about 106.1435991353.

It can be divided in two parts, 11958 and 63, that added together give a palindrome (12021).

The spelling of 1195863 in words is "one million, one hundred ninety-five thousand, eight hundred sixty-three".