144126121 has 2 divisors, whose sum is σ = 144126122. Its totient is φ = 144126120.

The previous prime is 144126113. The next prime is 144126131. The reversal of 144126121 is 121621441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116877721 + 27248400 = 10811^2 + 5220^2 .

It is an emirp because it is prime and its reverse (121621441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144126121 - 2³ = 144126113 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144126092 and 144126101.

It is not a weakly prime, because it can be changed into another prime (144126131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72063060 + 72063061.

It is an arithmetic number, because the mean of its divisors is an integer number (72063061).

Almost surely, 2^144126121 is an apocalyptic number.

It is an amenable number.

144126121 is a deficient number, since it is larger than the sum of its proper divisors (1).

144126121 is an equidigital number, since it uses as much as digits as its factorization.

144126121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 22.

The square root of 144126121 is about 12005.2538915260. The cubic root of 144126121 is about 524.3012575802.

Adding to 144126121 its reverse (121621441), we get a palindrome (265747562).

The spelling of 144126121 in words is "one hundred forty-four million, one hundred twenty-six thousand, one hundred twenty-one".