102100198 has 16 divisors (see below), whose sum is σ = 162538704. Its totient is φ = 47934720.

The previous prime is 102100169. The next prime is 102100199. The reversal of 102100198 is 891001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100199) 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, 12253 + ... + 18823.

It is an arithmetic number, because the mean of its divisors is an integer number (10158669).

Almost surely, 2^102100198 is an apocalyptic number.

102100198 is a deficient number, since it is larger than the sum of its proper divisors (60438506).

102100198 is a wasteful number, since it uses less digits than its factorization.

102100198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 102100198 is about 10104.4642609096. The cubic root of 102100198 is about 467.3858155747.

Adding to 102100198 its reverse (891001201), we get a palindrome (993101399).

The spelling of 102100198 in words is "one hundred two million, one hundred thousand, one hundred ninety-eight".