198102 has 16 divisors (see below), whose sum is σ = 400752. Its totient is φ = 65280.

The previous prime is 198097. The next prime is 198109. The reversal of 198102 is 201891.

198102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198102.

It is not an unprimeable number, because it can be changed into a prime (198109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (25047).

2¹⁹⁸¹⁰² is an apocalyptic number.

198102 is an abundant number, since it is smaller than the sum of its proper divisors (202650).

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

198102 is a wasteful number, since it uses less digits than its factorization.

198102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 198102 is about 445.0865084453. The cubic root of 198102 is about 58.2947736097.

Adding to 198102 its reverse (201891), we get a palindrome (399993).

It can be divided in two parts, 198 and 102, that added together give a triangular number (300 = T₂₄).

The spelling of 198102 in words is "one hundred ninety-eight thousand, one hundred two".