1162198 has 4 divisors (see below), whose sum is σ = 1743300. Its totient is φ = 581098.

The previous prime is 1162193. The next prime is 1162219. The reversal of 1162198 is 8912611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8912611 = 1997 ⋅4463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162193) 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 as a sum of consecutive naturals, namely, 290548 + ... + 290551.

It is an arithmetic number, because the mean of its divisors is an integer number (435825).

2^1162198 is an apocalyptic number.

1162198 is a deficient number, since it is larger than the sum of its proper divisors (581102).

1162198 is an equidigital number, since it uses as much as digits as its factorization.

1162198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581101.

The product of its digits is 864, while the sum is 28.

The square root of 1162198 is about 1078.0528743990. The cubic root of 1162198 is about 105.1380798658.

The spelling of 1162198 in words is "one million, one hundred sixty-two thousand, one hundred ninety-eight".