189102 has 8 divisors (see below), whose sum is σ = 378216. Its totient is φ = 63032.

The previous prime is 189067. The next prime is 189127. The reversal of 189102 is 201981.

It is a sphenic number, since it is the product of 3 distinct primes.

189102 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

189102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15753 + ... + 15764.

It is an arithmetic number, because the mean of its divisors is an integer number (47277).

2¹⁸⁹¹⁰² is an apocalyptic number.

189102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189102 is a wasteful number, since it uses less digits than its factorization.

189102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31522.

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

The square root of 189102 is about 434.8585977073. The cubic root of 189102 is about 57.3982573821.

The spelling of 189102 in words is "one hundred eighty-nine thousand, one hundred two".