115001 has 2 divisors, whose sum is σ = 115002. Its totient is φ = 115000.

The previous prime is 114997. The next prime is 115013. The reversal of 115001 is 100511.

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., 89401 + 25600 = 299^2 + 160^2 .

It is an emirp because it is prime and its reverse (100511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115001 - 2² = 114997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115001.

It is not a weakly prime, because it can be changed into another prime (115021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57500 + 57501.

It is an arithmetic number, because the mean of its divisors is an integer number (57501).

2¹¹⁵⁰⁰¹ is an apocalyptic number.

It is an amenable number.

115001 is a deficient number, since it is larger than the sum of its proper divisors (1).

115001 is an equidigital number, since it uses as much as digits as its factorization.

115001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 115001 is about 339.1179735726. The cubic root of 115001 is about 48.6295822654.

Adding to 115001 its reverse (100511), we get a palindrome (215512).

The spelling of 115001 in words is "one hundred fifteen thousand, one".