1012426543 has 2 divisors, whose sum is σ = 1012426544. Its totient is φ = 1012426542.

The previous prime is 1012426507. The next prime is 1012426549. The reversal of 1012426543 is 3456242101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012426543 - 2²¹ = 1010329391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012426549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506213271 + 506213272.

It is an arithmetic number, because the mean of its divisors is an integer number (506213272).

Almost surely, 2^1012426543 is an apocalyptic number.

1012426543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012426543 is an equidigital number, since it uses as much as digits as its factorization.

1012426543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1012426543 is about 31818.6508670622. The cubic root of 1012426543 is about 1004.1251408144.

Adding to 1012426543 its reverse (3456242101), we get a palindrome (4468668644).

The spelling of 1012426543 in words is "one billion, twelve million, four hundred twenty-six thousand, five hundred forty-three".