1198459 has 4 divisors (see below), whose sum is σ = 1200816. Its totient is φ = 1196104.

The previous prime is 1198451. The next prime is 1198469. The reversal of 1198459 is 9548911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9548911 = 73 ⋅130807.

It is a cyclic number.

It is not a de Polignac number, because 1198459 - 2³ = 1198451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198451) 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, 64 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (300204).

2^1198459 is an apocalyptic number.

1198459 is a deficient number, since it is larger than the sum of its proper divisors (2357).

1198459 is an equidigital number, since it uses as much as digits as its factorization.

1198459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356.

The product of its digits is 12960, while the sum is 37.

The square root of 1198459 is about 1094.7415220042. The cubic root of 1198459 is about 106.2203497427.

The spelling of 1198459 in words is "one million, one hundred ninety-eight thousand, four hundred fifty-nine".