1198982 has 4 divisors (see below), whose sum is σ = 1798476. Its totient is φ = 599490.

The previous prime is 1198979. The next prime is 1198991. The reversal of 1198982 is 2898911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2898911 = 229 ⋅12659.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299744 + ... + 299747.

It is an arithmetic number, because the mean of its divisors is an integer number (449619).

2^1198982 is an apocalyptic number.

1198982 is a deficient number, since it is larger than the sum of its proper divisors (599494).

1198982 is an equidigital number, since it uses as much as digits as its factorization.

1198982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599493.

The product of its digits is 10368, while the sum is 38.

The square root of 1198982 is about 1094.9803651208. The cubic root of 1198982 is about 106.2357987940.

The spelling of 1198982 in words is "one million, one hundred ninety-eight thousand, nine hundred eighty-two".