1144788067 has 2 divisors, whose sum is σ = 1144788068. Its totient is φ = 1144788066.

The previous prime is 1144788059. The next prime is 1144788077. The reversal of 1144788067 is 7608874411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144788067 - 2³ = 1144788059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144788017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572394033 + 572394034.

It is an arithmetic number, because the mean of its divisors is an integer number (572394034).

Almost surely, 2^1144788067 is an apocalyptic number.

1144788067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144788067 is an equidigital number, since it uses as much as digits as its factorization.

1144788067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 1144788067 is about 33834.7168896091. The cubic root of 1144788067 is about 1046.1044059901.

The spelling of 1144788067 in words is "one billion, one hundred forty-four million, seven hundred eighty-eight thousand, sixty-seven".