444331121 has 8 divisors (see below), whose sum is σ = 484276800. Its totient is φ = 405209232.

The previous prime is 444331117. The next prime is 444331123. The reversal of 444331121 is 121133444.

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 444331121 - 2² = 444331117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444331123) 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, 204821 + ... + 206978.

It is an arithmetic number, because the mean of its divisors is an integer number (60534600).

Almost surely, 2^444331121 is an apocalyptic number.

It is an amenable number.

444331121 is a deficient number, since it is larger than the sum of its proper divisors (39945679).

444331121 is a wasteful number, since it uses less digits than its factorization.

444331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411895.

The product of its digits is 1152, while the sum is 23.

The square root of 444331121 is about 21079.1631949658. The cubic root of 444331121 is about 763.0779613749.

Adding to 444331121 its reverse (121133444), we get a palindrome (565464565).

It can be divided in two parts, 44433 and 1121, that added together give a palindrome (45554).

The spelling of 444331121 in words is "four hundred forty-four million, three hundred thirty-one thousand, one hundred twenty-one".