115712017 has 2 divisors, whose sum is σ = 115712018. Its totient is φ = 115712016.

The previous prime is 115711961. The next prime is 115712063. The reversal of 115712017 is 710217511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100781521 + 14930496 = 10039^2 + 3864^2 .

It is a cyclic number.

It is not a de Polignac number, because 115712017 - 2¹¹ = 115709969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115711982 and 115712000.

It is not a weakly prime, because it can be changed into another prime (115722017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57856008 + 57856009.

It is an arithmetic number, because the mean of its divisors is an integer number (57856009).

Almost surely, 2^115712017 is an apocalyptic number.

It is an amenable number.

115712017 is a deficient number, since it is larger than the sum of its proper divisors (1).

115712017 is an equidigital number, since it uses as much as digits as its factorization.

115712017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 115712017 is about 10756.9520311285. The cubic root of 115712017 is about 487.2959717775.

Adding to 115712017 its reverse (710217511), we get a palindrome (825929528).

The spelling of 115712017 in words is "one hundred fifteen million, seven hundred twelve thousand, seventeen".