100002102 has 16 divisors (see below), whose sum is σ = 200225520.
Its totient is φ = 33297152.
The previous prime is 100002059. The next prime is 100002103. The reversal of 100002102 is 201200001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100002103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3027 + ... + 14462.
It is an arithmetic number, because the mean of its divisors is an integer number (12514095).
Almost surely, 2100002102 is an apocalyptic number.
100002102 is an abundant number, since it is smaller than the sum of its proper divisors (100223418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100002102 is a wasteful number, since it uses less digits than its factorization.
100002102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18447.
The product of its (nonzero) digits is 4, while the sum is 6.
The square root of 100002102 is about 10000.1050994477.
The cubic root of 100002102 is about 464.1621355451.
Adding to 100002102 its reverse (201200001), we get a palindrome (301202103).
The spelling of 100002102 in words is "one hundred million, two thousand, one hundred two".