1040102543 has 2 divisors, whose sum is σ = 1040102544. Its totient is φ = 1040102542.

The previous prime is 1040102519. The next prime is 1040102627. The reversal of 1040102543 is 3452010401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040102543 - 2²⁴ = 1023325327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040152543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520051271 + 520051272.

It is an arithmetic number, because the mean of its divisors is an integer number (520051272).

Almost surely, 2^1040102543 is an apocalyptic number.

1040102543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040102543 is an equidigital number, since it uses as much as digits as its factorization.

1040102543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1040102543 is about 32250.6208157300. The cubic root of 1040102543 is about 1013.1927015735.

Adding to 1040102543 its reverse (3452010401), we get a palindrome (4492112944).

The spelling of 1040102543 in words is "one billion, forty million, one hundred two thousand, five hundred forty-three".