130724017 has 2 divisors, whose sum is σ = 130724018. Its totient is φ = 130724016.

The previous prime is 130724003. The next prime is 130724053. The reversal of 130724017 is 710427031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102090816 + 28633201 = 10104^2 + 5351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130724017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130723982 and 130724000.

It is not a weakly prime, because it can be changed into another prime (130724057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65362008 + 65362009.

It is an arithmetic number, because the mean of its divisors is an integer number (65362009).

Almost surely, 2^130724017 is an apocalyptic number.

It is an amenable number.

130724017 is a deficient number, since it is larger than the sum of its proper divisors (1).

130724017 is an equidigital number, since it uses as much as digits as its factorization.

130724017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 130724017 is about 11433.4604123161. The cubic root of 130724017 is about 507.5184032412.

The spelling of 130724017 in words is "one hundred thirty million, seven hundred twenty-four thousand, seventeen".