4443001121 has 8 divisors (see below), whose sum is σ = 4901472744. Its totient is φ = 4001201280.

The previous prime is 4443001093. The next prime is 4443001163. The reversal of 4443001121 is 1211003444.

It can be written as a sum of positive squares in 4 ways, for example, as 720170896 + 3722830225 = 26836^2 + 61015^2 .

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 4443001121 - 2²² = 4438806817 is a prime.

It is a super-2 number, since 2×4443001121² = 39480517922414513282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4443001093 and 4443001102.

It is not an unprimeable number, because it can be changed into a prime (4443001621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4167386 + ... + 4168451.

It is an arithmetic number, because the mean of its divisors is an integer number (612684093).

Almost surely, 2^4443001121 is an apocalyptic number.

4443001121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4443001121 is a deficient number, since it is larger than the sum of its proper divisors (458471623).

4443001121 is a wasteful number, since it uses less digits than its factorization.

4443001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335891.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4443001121 is about 66655.8408618480. The cubic root of 4443001121 is about 1643.9633865323.

Adding to 4443001121 its reverse (1211003444), we get a palindrome (5654004565).

The spelling of 4443001121 in words is "four billion, four hundred forty-three million, one thousand, one hundred twenty-one".