130512543 has 16 divisors (see below), whose sum is σ = 202248960. Its totient is φ = 73313856.

The previous prime is 130512533. The next prime is 130512563. The reversal of 130512543 is 345215031.

It is not a de Polignac number, because 130512543 - 2¹² = 130508447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130512533) 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 in 15 ways as a sum of consecutive naturals, for example, 51430 + ... + 53907.

It is an arithmetic number, because the mean of its divisors is an integer number (12640560).

Almost surely, 2^130512543 is an apocalyptic number.

130512543 is a deficient number, since it is larger than the sum of its proper divisors (71736417).

130512543 is a wasteful number, since it uses less digits than its factorization.

130512543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105406.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 130512543 is about 11424.2086378007. The cubic root of 130512543 is about 507.2445824185.

Adding to 130512543 its reverse (345215031), we get a palindrome (475727574).

The spelling of 130512543 in words is "one hundred thirty million, five hundred twelve thousand, five hundred forty-three".