1173198 has 32 divisors (see below), whose sum is σ = 2570400. Its totient is φ = 356928.

The previous prime is 1173191. The next prime is 1173199. The reversal of 1173198 is 8913711.

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13138 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

2^1173198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1173198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285200).

1173198 is an abundant number, since it is smaller than the sum of its proper divisors (1397202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1173198 is an equidigital number, since it uses as much as digits as its factorization.

1173198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 107 counting only the distinct ones).

The product of its digits is 1512, while the sum is 30.

The square root of 1173198 is about 1083.1426498850. The cubic root of 1173198 is about 105.4687433141.

The spelling of 1173198 in words is "one million, one hundred seventy-three thousand, one hundred ninety-eight".