1198841 has 4 divisors (see below), whose sum is σ = 1370112. Its totient is φ = 1027572.

The previous prime is 1198819. The next prime is 1198849. The reversal of 1198841 is 1488911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1488911 = 17 ⋅87583.

It is not a de Polignac number, because 1198841 - 2¹⁸ = 936697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1198798 and 1198807.

It is not an unprimeable number, because it can be changed into a prime (1198849) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 85625 + ... + 85638.

It is an arithmetic number, because the mean of its divisors is an integer number (342528).

2^1198841 is an apocalyptic number.

It is an amenable number.

1198841 is a deficient number, since it is larger than the sum of its proper divisors (171271).

1198841 is an equidigital number, since it uses as much as digits as its factorization.

1198841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171270.

The product of its digits is 2304, while the sum is 32.

The square root of 1198841 is about 1094.9159785116. The cubic root of 1198841 is about 106.2316341958.

The spelling of 1198841 in words is "one million, one hundred ninety-eight thousand, eight hundred forty-one".