102101208 has 32 divisors (see below), whose sum is σ = 278458560. Its totient is φ = 30939680.

The previous prime is 102101191. The next prime is 102101213. The reversal of 102101208 is 802101201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193110 + ... + 193637.

It is an arithmetic number, because the mean of its divisors is an integer number (8701830).

Almost surely, 2^102101208 is an apocalyptic number.

It is an amenable number.

102101208 is an abundant number, since it is smaller than the sum of its proper divisors (176357352).

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

102101208 is a wasteful number, since it uses less digits than its factorization.

102101208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386767 (or 386763 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 102101208 is about 10104.5142386955. The cubic root of 102101208 is about 467.3873567343.

Adding to 102101208 its reverse (802101201), we get a palindrome (904202409).

The spelling of 102101208 in words is "one hundred two million, one hundred one thousand, two hundred eight".