4124220 has 24 divisors (see below), whose sum is σ = 11547984. Its totient is φ = 1099776.

The previous prime is 4124213. The next prime is 4124221. The reversal of 4124220 is 224214.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4124220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4124221) 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, 34309 + ... + 34428.

It is an arithmetic number, because the mean of its divisors is an integer number (481166).

Almost surely, 2^4124220 is an apocalyptic number.

It is an amenable number.

4124220 is an abundant number, since it is smaller than the sum of its proper divisors (7423764).

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

4124220 is a wasteful number, since it uses less digits than its factorization.

4124220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68749 (or 68747 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4124220 is about 2030.8175693548. The cubic root of 4124220 is about 160.3666072695.

Adding to 4124220 its reverse (224214), we get a palindrome (4348434).

The spelling of 4124220 in words is "four million, one hundred twenty-four thousand, two hundred twenty".