102108 has 24 divisors (see below), whose sum is σ = 243712.
Its totient is φ = 33264.
The previous prime is 102107. The next prime is 102121. The reversal of 102108 is 801201.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 102093 and 102102.
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 102108.
It is not an unprimeable number, because it can be changed into a prime (102101) 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, 741 + ... + 867.
2102108 is an apocalyptic number.
It is an amenable number.
102108 is an abundant number, since it is smaller than the sum of its proper divisors (141604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102108 is a wasteful number, since it uses less digits than its factorization.
102108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201 (or 199 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 102108 is about 319.5434242791.
The cubic root of 102108 is about 46.7397720388.
Adding to 102108 its reverse (801201), we get a palindrome (903309).
It can be divided in two parts, 102 and 108, that added together give a triangular number (210 = T20).
The spelling of 102108 in words is "one hundred two thousand, one hundred eight".