444830121 has 6 divisors (see below), whose sum is σ = 642532410. Its totient is φ = 296553408.

The previous prime is 444830107. The next prime is 444830131. The reversal of 444830121 is 121038444.

It can be written as a sum of positive squares in only one way, i.e., 247118400 + 197711721 = 15720^2 + 14061^2 .

It is not a de Polignac number, because 444830121 - 2¹³ = 444821929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444830131) 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 5 ways as a sum of consecutive naturals, for example, 24712776 + ... + 24712793.

It is an arithmetic number, because the mean of its divisors is an integer number (107088735).

Almost surely, 2^444830121 is an apocalyptic number.

It is an amenable number.

444830121 is a deficient number, since it is larger than the sum of its proper divisors (197702289).

444830121 is a wasteful number, since it uses less digits than its factorization.

444830121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49425575 (or 49425572 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 444830121 is about 21090.9962069126. The cubic root of 444830121 is about 763.3635092707.

Adding to 444830121 its reverse (121038444), we get a palindrome (565868565).

The spelling of 444830121 in words is "four hundred forty-four million, eight hundred thirty thousand, one hundred twenty-one".