1198856 has 16 divisors (see below), whose sum is σ = 2260140.
Its totient is φ = 596160.
The previous prime is 1198853. The next prime is 1198861. The reversal of 1198856 is 6588911.
1198856 is nontrivially palindromic in base 7.
It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 62500 = 1066^2 + 250^2
It is not an unprimeable number, because it can be changed into a prime (1198853) by changing a digit.
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, 1946 + ... + 2486.
21198856 is an apocalyptic number.
It is an amenable number.
1198856 is a deficient number, since it is larger than the sum of its proper divisors (1061284).
1198856 is a wasteful number, since it uses less digits than its factorization.
1198856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 824 (or 820 counting only the distinct ones).
The product of its digits is 17280, while the sum is 38.
The square root of 1198856 is about 1094.9228283308.
The cubic root of 1198856 is about 106.2320772537.
The spelling of 1198856 in words is "one million, one hundred ninety-eight thousand, eight hundred fifty-six".