444630121 has 16 divisors (see below), whose sum is σ = 509289984. Its totient is φ = 384539904.

The previous prime is 444630107. The next prime is 444630127. The reversal of 444630121 is 121036444.

It is a cyclic number.

It is not a de Polignac number, because 444630121 - 2¹¹ = 444628073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444630127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45736 + ... + 54598.

It is an arithmetic number, because the mean of its divisors is an integer number (31830624).

Almost surely, 2^444630121 is an apocalyptic number.

It is an amenable number.

444630121 is a deficient number, since it is larger than the sum of its proper divisors (64659863).

444630121 is a wasteful number, since it uses less digits than its factorization.

444630121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 444630121 is about 21086.2543141261. The cubic root of 444630121 is about 763.2490868718.

Adding to 444630121 its reverse (121036444), we get a palindrome (565666565).

The spelling of 444630121 in words is "four hundred forty-four million, six hundred thirty thousand, one hundred twenty-one".