102102098 has 16 divisors (see below), whose sum is σ = 181068480. Its totient is φ = 42248976.

The previous prime is 102102089. The next prime is 102102109. The reversal of 102102098 is 890201201.

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, 125336 + ... + 126147.

It is an arithmetic number, because the mean of its divisors is an integer number (11316780).

Almost surely, 2^102102098 is an apocalyptic number.

102102098 is a deficient number, since it is larger than the sum of its proper divisors (78966382).

102102098 is a wasteful number, since it uses less digits than its factorization.

102102098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251521.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 102102098 is about 10104.5582783217. The cubic root of 102102098 is about 467.3887147775.

Adding to 102102098 its reverse (890201201), we get a palindrome (992303299).

The spelling of 102102098 in words is "one hundred two million, one hundred two thousand, ninety-eight".