144115121 has 2 divisors, whose sum is σ = 144115122. Its totient is φ = 144115120.

The previous prime is 144115093. The next prime is 144115151. The reversal of 144115121 is 121511441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136072225 + 8042896 = 11665^2 + 2836^2 .

It is a cyclic number.

It is not a de Polignac number, because 144115121 - 2¹⁴ = 144098737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144115093 and 144115102.

It is not a weakly prime, because it can be changed into another prime (144115151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72057560 + 72057561.

It is an arithmetic number, because the mean of its divisors is an integer number (72057561).

Almost surely, 2^144115121 is an apocalyptic number.

It is an amenable number.

144115121 is a deficient number, since it is larger than the sum of its proper divisors (1).

144115121 is an equidigital number, since it uses as much as digits as its factorization.

144115121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160, while the sum is 20.

The square root of 144115121 is about 12004.7957500326. The cubic root of 144115121 is about 524.2879186598.

Adding to 144115121 its reverse (121511441), we get a palindrome (265626562).

The spelling of 144115121 in words is "one hundred forty-four million, one hundred fifteen thousand, one hundred twenty-one".