4218126 has 32 divisors (see below), whose sum is σ = 9331200. Its totient is φ = 1260480.

The previous prime is 4218113. The next prime is 4218157. The reversal of 4218126 is 6218124.

It is a junction number, because it is equal to n+sod(n) for n = 4218096 and 4218105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4810 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

Almost surely, 2^4218126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4218126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665600).

4218126 is an abundant number, since it is smaller than the sum of its proper divisors (5113074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4218126 is a wasteful number, since it uses less digits than its factorization.

4218126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its digits is 768, while the sum is 24.

The square root of 4218126 is about 2053.8076833044. The cubic root of 4218126 is about 161.5746347389.

It can be divided in two parts, 4 and 218126, that added together give a triangular number (218130 = T₆₆₀).

The spelling of 4218126 in words is "four million, two hundred eighteen thousand, one hundred twenty-six".