102105197 has 8 divisors (see below), whose sum is σ = 104419200. Its totient is φ = 99797184.

The previous prime is 102105191. The next prime is 102105203. The reversal of 102105197 is 791501201.

It is an interprime number because it is at equal distance from previous prime (102105191) and next prime (102105203).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102105197 - 2⁴ = 102105181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102105191) 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, 67829 + ... + 69317.

It is an arithmetic number, because the mean of its divisors is an integer number (13052400).

Almost surely, 2^102105197 is an apocalyptic number.

It is an amenable number.

102105197 is a deficient number, since it is larger than the sum of its proper divisors (2314003).

102105197 is a wasteful number, since it uses less digits than its factorization.

102105197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 102105197 is about 10104.7116237921. The cubic root of 102105197 is about 467.3934434527.

Adding to 102105197 its reverse (791501201), we get a palindrome (893606398).

The spelling of 102105197 in words is "one hundred two million, one hundred five thousand, one hundred ninety-seven".