444235121 has 4 divisors (see below), whose sum is σ = 484620144. Its totient is φ = 403850100.

The previous prime is 444235093. The next prime is 444235139. The reversal of 444235121 is 121532444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444235121 - 2¹⁴ = 444218737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444235171) 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, 20192495 + ... + 20192516.

It is an arithmetic number, because the mean of its divisors is an integer number (121155036).

Almost surely, 2^444235121 is an apocalyptic number.

It is an amenable number.

444235121 is a deficient number, since it is larger than the sum of its proper divisors (40385023).

444235121 is a wasteful number, since it uses less digits than its factorization.

444235121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40385022.

The product of its digits is 3840, while the sum is 26.

The square root of 444235121 is about 21076.8859417135. The cubic root of 444235121 is about 763.0230017910.

Adding to 444235121 its reverse (121532444), we get a palindrome (565767565).

The spelling of 444235121 in words is "four hundred forty-four million, two hundred thirty-five thousand, one hundred twenty-one".