44142403121 has 2 divisors, whose sum is σ = 44142403122. Its totient is φ = 44142403120.

The previous prime is 44142403021. The next prime is 44142403153. The reversal of 44142403121 is 12130424144.

44142403121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25780798096 + 18361605025 = 160564^2 + 135505^2 .

It is a cyclic number.

It is not a de Polignac number, because 44142403121 - 2¹⁰ = 44142402097 is a prime.

It is not a weakly prime, because it can be changed into another prime (44142403171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22071201560 + 22071201561.

It is an arithmetic number, because the mean of its divisors is an integer number (22071201561).

Almost surely, 2^44142403121 is an apocalyptic number.

It is an amenable number.

44142403121 is a deficient number, since it is larger than the sum of its proper divisors (1).

44142403121 is an equidigital number, since it uses as much as digits as its factorization.

44142403121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 44142403121 its reverse (12130424144), we get a palindrome (56272827265).

The spelling of 44142403121 in words is "forty-four billion, one hundred forty-two million, four hundred three thousand, one hundred twenty-one".