144121030121 has 4 divisors (see below), whose sum is σ = 144695217744. Its totient is φ = 143546842500.

The previous prime is 144121030111. The next prime is 144121030129. The reversal of 144121030121 is 121030121441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144121030121 - 2¹⁰ = 144121029097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144121030093 and 144121030102.

It is not an unprimeable number, because it can be changed into a prime (144121030129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287093435 + ... + 287093936.

It is an arithmetic number, because the mean of its divisors is an integer number (36173804436).

Almost surely, 2^144121030121 is an apocalyptic number.

It is an amenable number.

144121030121 is a deficient number, since it is larger than the sum of its proper divisors (574187623).

144121030121 is an equidigital number, since it uses as much as digits as its factorization.

144121030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574187622.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 144121030121 its reverse (121030121441), we get a palindrome (265151151562).

The spelling of 144121030121 in words is "one hundred forty-four billion, one hundred twenty-one million, thirty thousand, one hundred twenty-one".