44320121 has 2 divisors, whose sum is σ = 44320122. Its totient is φ = 44320120.

The previous prime is 44320109. The next prime is 44320127. The reversal of 44320121 is 12102344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 6325225 = 6164^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 44320121 - 2¹⁰ = 44319097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44320121.

It is not a weakly prime, because it can be changed into another prime (44320127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22160060 + 22160061.

It is an arithmetic number, because the mean of its divisors is an integer number (22160061).

Almost surely, 2^44320121 is an apocalyptic number.

It is an amenable number.

44320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

44320121 is an equidigital number, since it uses as much as digits as its factorization.

44320121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 44320121 is about 6657.3358785628. The cubic root of 44320121 is about 353.8889311826. Note that the first 3 decimals are identical.

Adding to 44320121 its reverse (12102344), we get a palindrome (56422465).

The spelling of 44320121 in words is "forty-four million, three hundred twenty thousand, one hundred twenty-one".