1040143427 has 2 divisors, whose sum is σ = 1040143428. Its totient is φ = 1040143426.

The previous prime is 1040143411. The next prime is 1040143439. The reversal of 1040143427 is 7243410401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040143427 - 2⁴ = 1040143411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040143396 and 1040143405.

It is not a weakly prime, because it can be changed into another prime (1040143327) 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, 520071713 + 520071714.

It is an arithmetic number, because the mean of its divisors is an integer number (520071714).

Almost surely, 2^1040143427 is an apocalyptic number.

1040143427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040143427 is an equidigital number, since it uses as much as digits as its factorization.

1040143427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1040143427 is about 32251.2546577649. The cubic root of 1040143427 is about 1013.2059768119.

Adding to 1040143427 its reverse (7243410401), we get a palindrome (8283553828).

The spelling of 1040143427 in words is "one billion, forty million, one hundred forty-three thousand, four hundred twenty-seven".