4128211 has 4 divisors (see below), whose sum is σ = 4132800. Its totient is φ = 4123624.

The previous prime is 4128199. The next prime is 4128217. The reversal of 4128211 is 1128214.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4128211 - 2¹⁹ = 3603923 is a prime.

It is a Duffinian number.

4128211 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4128217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200).

Almost surely, 2^4128211 is an apocalyptic number.

4128211 is a deficient number, since it is larger than the sum of its proper divisors (4589).

4128211 is a wasteful number, since it uses less digits than its factorization.

4128211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588.

The product of its digits is 128, while the sum is 19.

The square root of 4128211 is about 2031.7999409391. The cubic root of 4128211 is about 160.4183194148.

The spelling of 4128211 in words is "four million, one hundred twenty-eight thousand, two hundred eleven".