130006243 has 4 divisors (see below), whose sum is σ = 133029688. Its totient is φ = 126982800.

The previous prime is 130006237. The next prime is 130006249. The reversal of 130006243 is 342600031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (130006237) and next prime (130006249).

It is a cyclic number.

It is not a de Polignac number, because 130006243 - 2¹⁷ = 129875171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130006243.

It is not an unprimeable number, because it can be changed into a prime (130006249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511658 + ... + 1511743.

It is an arithmetic number, because the mean of its divisors is an integer number (33257422).

Almost surely, 2^130006243 is an apocalyptic number.

130006243 is a deficient number, since it is larger than the sum of its proper divisors (3023445).

130006243 is an equidigital number, since it uses as much as digits as its factorization.

130006243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023444.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130006243 is about 11402.0280213653. The cubic root of 130006243 is about 506.5878109523.

Adding to 130006243 its reverse (342600031), we get a palindrome (472606274).

The spelling of 130006243 in words is "one hundred thirty million, six thousand, two hundred forty-three".