4205126 has 8 divisors (see below), whose sum is σ = 6426864. Its totient is φ = 2062840.

The previous prime is 4205093. The next prime is 4205129. The reversal of 4205126 is 6215024.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4205098 and 4205107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19730 + ... + 19941.

It is an arithmetic number, because the mean of its divisors is an integer number (803358).

Almost surely, 2^4205126 is an apocalyptic number.

4205126 is a deficient number, since it is larger than the sum of its proper divisors (2221738).

4205126 is a wasteful number, since it uses less digits than its factorization.

4205126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39726.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4205126 is about 2050.6403877813. The cubic root of 4205126 is about 161.4084762921.

The spelling of 4205126 in words is "four million, two hundred five thousand, one hundred twenty-six".