115620017 has 4 divisors (see below), whose sum is σ = 115641840. Its totient is φ = 115598196.

The previous prime is 115619969. The next prime is 115620019. The reversal of 115620017 is 710026511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115620017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115619974 and 115620001.

It is not an unprimeable number, because it can be changed into a prime (115620019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678 + ... + 15440.

It is an arithmetic number, because the mean of its divisors is an integer number (28910460).

Almost surely, 2^115620017 is an apocalyptic number.

It is an amenable number.

115620017 is a deficient number, since it is larger than the sum of its proper divisors (21823).

115620017 is an equidigital number, since it uses as much as digits as its factorization.

115620017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21822.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 115620017 is about 10752.6748765133. The cubic root of 115620017 is about 487.1667915441.

Adding to 115620017 its reverse (710026511), we get a palindrome (825646528).

The spelling of 115620017 in words is "one hundred fifteen million, six hundred twenty thousand, seventeen".