1241143427 has 2 divisors, whose sum is σ = 1241143428. Its totient is φ = 1241143426.

The previous prime is 1241143367. The next prime is 1241143439. The reversal of 1241143427 is 7243411421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241143427 - 2⁸ = 1241143171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1241143427.

It is not a weakly prime, because it can be changed into another prime (1241143727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620571713 + 620571714.

It is an arithmetic number, because the mean of its divisors is an integer number (620571714).

Almost surely, 2^1241143427 is an apocalyptic number.

1241143427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241143427 is an equidigital number, since it uses as much as digits as its factorization.

1241143427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 1241143427 is about 35229.8655546682. The cubic root of 1241143427 is about 1074.6671915864.

Adding to 1241143427 its reverse (7243411421), we get a palindrome (8484554848).

The spelling of 1241143427 in words is "one billion, two hundred forty-one million, one hundred forty-three thousand, four hundred twenty-seven".