103210205 has 16 divisors (see below), whose sum is σ = 145372800. Its totient is φ = 68859072.

The previous prime is 103210201. The next prime is 103210229. The reversal of 103210205 is 502012301.

It is a happy number.

It is not a de Polignac number, because 103210205 - 2² = 103210201 is a prime.

It is a super-2 number, since 2×103210205² = 21304692832284050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103210201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38555 + ... + 41144.

It is an arithmetic number, because the mean of its divisors is an integer number (9085800).

Almost surely, 2^103210205 is an apocalyptic number.

It is an amenable number.

103210205 is a deficient number, since it is larger than the sum of its proper divisors (42162595).

103210205 is an equidigital number, since it uses as much as digits as its factorization.

103210205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79748.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 103210205 is about 10159.2423437971. The cubic root of 103210205 is about 469.0734803029.

Adding to 103210205 its reverse (502012301), we get a palindrome (605222506).

The spelling of 103210205 in words is "one hundred three million, two hundred ten thousand, two hundred five".