44243121 has 16 divisors (see below), whose sum is σ = 64882944. Its totient is φ = 26646144.

The previous prime is 44243119. The next prime is 44243131. The reversal of 44243121 is 12134244.

It is not a de Polignac number, because 44243121 - 2¹ = 44243119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44243131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10236 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (4055184).

Almost surely, 2^44243121 is an apocalyptic number.

It is an amenable number.

44243121 is a deficient number, since it is larger than the sum of its proper divisors (20639823).

44243121 is a wasteful number, since it uses less digits than its factorization.

44243121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24200.

The product of its digits is 768, while the sum is 21.

The square root of 44243121 is about 6651.5502704257. The cubic root of 44243121 is about 353.6838682373.

Adding to 44243121 its reverse (12134244), we get a palindrome (56377365).

The spelling of 44243121 in words is "forty-four million, two hundred forty-three thousand, one hundred twenty-one".