1144204129 has 2 divisors, whose sum is σ = 1144204130. Its totient is φ = 1144204128.

The previous prime is 1144204109. The next prime is 1144204133. The reversal of 1144204129 is 9214024411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832611025 + 311593104 = 28855^2 + 17652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144204129 - 2¹³ = 1144195937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144204097 and 1144204106.

It is not a weakly prime, because it can be changed into another prime (1144204109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572102064 + 572102065.

It is an arithmetic number, because the mean of its divisors is an integer number (572102065).

Almost surely, 2^1144204129 is an apocalyptic number.

It is an amenable number.

1144204129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144204129 is an equidigital number, since it uses as much as digits as its factorization.

1144204129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1144204129 is about 33826.0865161786. The cubic root of 1144204129 is about 1045.9265087225.

The spelling of 1144204129 in words is "one billion, one hundred forty-four million, two hundred four thousand, one hundred twenty-nine".