102105005 has 8 divisors (see below), whose sum is σ = 125375712. Its totient is φ = 79784208.

The previous prime is 102104999. The next prime is 102105007. The reversal of 102105005 is 500501201.

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 102105005 - 2¹⁸ = 101842861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102105007) 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, 237239 + ... + 237668.

It is an arithmetic number, because the mean of its divisors is an integer number (15671964).

Almost surely, 2^102105005 is an apocalyptic number.

It is an amenable number.

102105005 is a deficient number, since it is larger than the sum of its proper divisors (23270707).

102105005 is an equidigital number, since it uses as much as digits as its factorization.

102105005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474955.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 102105005 is about 10104.7021232691. The cubic root of 102105005 is about 467.3931504882.

Adding to 102105005 its reverse (500501201), we get a palindrome (602606206).

The spelling of 102105005 in words is "one hundred two million, one hundred five thousand, five".