144127121 has 2 divisors, whose sum is σ = 144127122. Its totient is φ = 144127120.

The previous prime is 144127111. The next prime is 144127127. The reversal of 144127121 is 121721441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124634896 + 19492225 = 11164^2 + 4415^2 .

It is a cyclic number.

It is not a de Polignac number, because 144127121 - 2¹⁴ = 144110737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144127127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72063560 + 72063561.

It is an arithmetic number, because the mean of its divisors is an integer number (72063561).

Almost surely, 2^144127121 is an apocalyptic number.

It is an amenable number.

144127121 is a deficient number, since it is larger than the sum of its proper divisors (1).

144127121 is an equidigital number, since it uses as much as digits as its factorization.

144127121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 23.

The square root of 144127121 is about 12005.2955398857. The cubic root of 144127121 is about 524.3024701757.

Adding to 144127121 its reverse (121721441), we get a palindrome (265848562).

The spelling of 144127121 in words is "one hundred forty-four million, one hundred twenty-seven thousand, one hundred twenty-one".