1144512427 has 2 divisors, whose sum is σ = 1144512428. Its totient is φ = 1144512426.

The previous prime is 1144512419. The next prime is 1144512431. The reversal of 1144512427 is 7242154411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144512427 - 2³ = 1144512419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144512227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572256213 + 572256214.

It is an arithmetic number, because the mean of its divisors is an integer number (572256214).

Almost surely, 2^1144512427 is an apocalyptic number.

1144512427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144512427 is an equidigital number, since it uses as much as digits as its factorization.

1144512427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 31.

The square root of 1144512427 is about 33830.6433134222. The cubic root of 1144512427 is about 1046.0204395418.

Adding to 1144512427 its reverse (7242154411), we get a palindrome (8386666838).

The spelling of 1144512427 in words is "one billion, one hundred forty-four million, five hundred twelve thousand, four hundred twenty-seven".