202102105 has 8 divisors (see below), whose sum is σ = 242618112. Its totient is φ = 161617968.

The previous prime is 202102097. The next prime is 202102123. The reversal of 202102105 is 501201202.

202102105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202102105 - 2³ = 202102097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9454 + ... + 22216.

It is an arithmetic number, because the mean of its divisors is an integer number (30327264).

Almost surely, 2^202102105 is an apocalyptic number.

It is an amenable number.

202102105 is a deficient number, since it is larger than the sum of its proper divisors (40516007).

202102105 is a wasteful number, since it uses less digits than its factorization.

202102105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 202102105 is about 14216.2619911143. The cubic root of 202102105 is about 586.8452751561.

Adding to 202102105 its reverse (501201202), we get a palindrome (703303307).

The spelling of 202102105 in words is "two hundred two million, one hundred two thousand, one hundred five".