1198112 has 12 divisors (see below), whose sum is σ = 2358846. Its totient is φ = 599040.

The previous prime is 1198103. The next prime is 1198123. The reversal of 1198112 is 2118911.

It can be written as a sum of positive squares in only one way, i.e., 1008016 + 190096 = 1004^2 + 436^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18689 + ... + 18752.

2^1198112 is an apocalyptic number.

It is an amenable number.

1198112 is a deficient number, since it is larger than the sum of its proper divisors (1160734).

1198112 is an equidigital number, since it uses as much as digits as its factorization.

1198112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37451 (or 37443 counting only the distinct ones).

The product of its digits is 144, while the sum is 23.

The square root of 1198112 is about 1094.5830256312. The cubic root of 1198112 is about 106.2100971268.

The spelling of 1198112 in words is "one million, one hundred ninety-eight thousand, one hundred twelve".