4211121 has 8 divisors (see below), whose sum is σ = 5945184. Its totient is φ = 2642240.

The previous prime is 4211117. The next prime is 4211131. The reversal of 4211121 is 1211124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4211121 - 2² = 4211117 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4211097 and 4211106.

It is not an unprimeable number, because it can be changed into a prime (4211101) 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 7 ways as a sum of consecutive naturals, for example, 41235 + ... + 41336.

It is an arithmetic number, because the mean of its divisors is an integer number (743148).

Almost surely, 2^4211121 is an apocalyptic number.

It is an amenable number.

4211121 is a deficient number, since it is larger than the sum of its proper divisors (1734063).

4211121 is a wasteful number, since it uses less digits than its factorization.

4211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82591.

The product of its digits is 16, while the sum is 12.

The square root of 4211121 is about 2052.1016056716. The cubic root of 4211121 is about 161.4851433838.

Adding to 4211121 its reverse (1211124), we get a palindrome (5422245).

The spelling of 4211121 in words is "four million, two hundred eleven thousand, one hundred twenty-one".