144130121 has 4 divisors (see below), whose sum is σ = 150396672. Its totient is φ = 137863572.

The previous prime is 144130117. The next prime is 144130139. The reversal of 144130121 is 121031441.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121031441 = 463 ⋅261407.

It is a cyclic number.

It is not a de Polignac number, because 144130121 - 2² = 144130117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144130121.

It is not an unprimeable number, because it can be changed into a prime (144130111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3133241 + ... + 3133286.

It is an arithmetic number, because the mean of its divisors is an integer number (37599168).

Almost surely, 2^144130121 is an apocalyptic number.

It is an amenable number.

144130121 is a deficient number, since it is larger than the sum of its proper divisors (6266551).

144130121 is an equidigital number, since it uses as much as digits as its factorization.

144130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266550.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 144130121 is about 12005.4204840980. The cubic root of 144130121 is about 524.3061079284.

Adding to 144130121 its reverse (121031441), we get a palindrome (265161562).

The spelling of 144130121 in words is "one hundred forty-four million, one hundred thirty thousand, one hundred twenty-one".