4425121 has 4 divisors (see below), whose sum is σ = 4431892. Its totient is φ = 4418352.

The previous prime is 4425107. The next prime is 4425133. The reversal of 4425121 is 1215244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2890000 + 1535121 = 1700^2 + 1239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4425121 is a prime.

It is a Duffinian number.

4425121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4425181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (1107973).

Almost surely, 2^4425121 is an apocalyptic number.

It is an amenable number.

4425121 is a deficient number, since it is larger than the sum of its proper divisors (6771).

4425121 is an equidigital number, since it uses as much as digits as its factorization.

4425121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770.

The product of its digits is 320, while the sum is 19.

The square root of 4425121 is about 2103.5971572523. The cubic root of 4425121 is about 164.1755135649.

The spelling of 4425121 in words is "four million, four hundred twenty-five thousand, one hundred twenty-one".