4100205 has 32 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 2078720.

The previous prime is 4100177. The next prime is 4100207. The reversal of 4100205 is 5020014.

It is not a de Polignac number, because 4100205 - 2¹² = 4096109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36229 + ... + 36341.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

Almost surely, 2^4100205 is an apocalyptic number.

It is an amenable number.

4100205 is a deficient number, since it is larger than the sum of its proper divisors (2794515).

4100205 is a wasteful number, since it uses less digits than its factorization.

4100205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 4100205 is about 2024.8962936407. The cubic root of 4100205 is about 160.0547338783.

Adding to 4100205 its reverse (5020014), we get a palindrome (9120219).

The spelling of 4100205 in words is "four million, one hundred thousand, two hundred five".