4441000121 has 8 divisors (see below), whose sum is σ = 4465601280. Its totient is φ = 4416463792.

The previous prime is 4441000111. The next prime is 4441000129. The reversal of 4441000121 is 1210001444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4441000121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4441000121.

It is not an unprimeable number, because it can be changed into a prime (4441000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124526 + ... + 156168.

It is an arithmetic number, because the mean of its divisors is an integer number (558200160).

Almost surely, 2^4441000121 is an apocalyptic number.

It is an amenable number.

4441000121 is a deficient number, since it is larger than the sum of its proper divisors (24601159).

4441000121 is a wasteful number, since it uses less digits than its factorization.

4441000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32415.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4441000121 is about 66640.8292340364. The cubic root of 4441000121 is about 1643.7165515205.

Adding to 4441000121 its reverse (1210001444), we get a palindrome (5651001565).

The spelling of 4441000121 in words is "four billion, four hundred forty-one million, one hundred twenty-one", and thus it is an aban number.