4427121 has 8 divisors (see below), whose sum is σ = 5920384. Its totient is φ = 2942640.

The previous prime is 4427119. The next prime is 4427131. The reversal of 4427121 is 1217244.

It is a happy number.

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

It is not a de Polignac number, because 4427121 - 2¹ = 4427119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4427131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (740048).

Almost surely, 2^4427121 is an apocalyptic number.

It is an amenable number.

4427121 is a deficient number, since it is larger than the sum of its proper divisors (1493263).

4427121 is a wasteful number, since it uses less digits than its factorization.

4427121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391.

The product of its digits is 448, while the sum is 21.

The square root of 4427121 is about 2104.0724797402. The cubic root of 4427121 is about 164.2002437039.

The spelling of 4427121 in words is "four million, four hundred twenty-seven thousand, one hundred twenty-one".