1012454543 has 2 divisors, whose sum is σ = 1012454544. Its totient is φ = 1012454542.

The previous prime is 1012454507. The next prime is 1012454557. The reversal of 1012454543 is 3454542101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012454543 - 2¹⁴ = 1012438159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012454563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506227271 + 506227272.

It is an arithmetic number, because the mean of its divisors is an integer number (506227272).

Almost surely, 2^1012454543 is an apocalyptic number.

1012454543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012454543 is an equidigital number, since it uses as much as digits as its factorization.

1012454543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1012454543 is about 31819.0908575339. The cubic root of 1012454543 is about 1004.1343975336.

Adding to 1012454543 its reverse (3454542101), we get a palindrome (4466996644).

The spelling of 1012454543 in words is "one billion, twelve million, four hundred fifty-four thousand, five hundred forty-three".