99102 has 16 divisors (see below), whose sum is σ = 201600. Its totient is φ = 32472.

The previous prime is 99089. The next prime is 99103. The reversal of 99102 is 20199.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99103) by changing a digit.

99102 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 7 ways as a sum of consecutive naturals, for example, 399 + ... + 597.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2⁹⁹¹⁰² is an apocalyptic number.

99102 is an abundant number, since it is smaller than the sum of its proper divisors (102498).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100800).

99102 is a wasteful number, since it uses less digits than its factorization.

99102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 99102 is about 314.8047013626. The cubic root of 99102 is about 46.2765321346.

It can be divided in two parts, 9 and 9102, that multiplied together give a palindrome (81918).

The spelling of 99102 in words is "ninety-nine thousand, one hundred two".