1169998 has 4 divisors (see below), whose sum is σ = 1755000. Its totient is φ = 584998.

The previous prime is 1169939. The next prime is 1170007. The reversal of 1169998 is 8999611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8999611 = 223 ⋅40357.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 292498 + ... + 292501.

It is an arithmetic number, because the mean of its divisors is an integer number (438750).

2^1169998 is an apocalyptic number.

1169998 is a deficient number, since it is larger than the sum of its proper divisors (585002).

1169998 is an equidigital number, since it uses as much as digits as its factorization.

1169998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585001.

The product of its digits is 34992, while the sum is 43.

The square root of 1169998 is about 1081.6644581385. The cubic root of 1169998 is about 105.3727642614.

The spelling of 1169998 in words is "one million, one hundred sixty-nine thousand, nine hundred ninety-eight".