1098179 has 4 divisors (see below), whose sum is σ = 1112160. Its totient is φ = 1084200.

The previous prime is 1098151. The next prime is 1098187. The reversal of 1098179 is 9718901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1098179 - 2⁸ = 1097923 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1098109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6872 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (278040).

2^1098179 is an apocalyptic number.

1098179 is a deficient number, since it is larger than the sum of its proper divisors (13981).

1098179 is an equidigital number, since it uses as much as digits as its factorization.

1098179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13980.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 1098179 is about 1047.9403608985. The cubic root of 1098179 is about 103.1710169898.

It can be divided in two parts, 10 and 98179, that added together give a palindrome (98189).

The spelling of 1098179 in words is "one million, ninety-eight thousand, one hundred seventy-nine".