115861201 has 4 divisors (see below), whose sum is σ = 115904932. Its totient is φ = 115817472.

The previous prime is 115861199. The next prime is 115861217. The reversal of 115861201 is 102168511.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 76108176 + 39753025 = 8724^2 + 6305^2 .

It is a cyclic number.

It is not a de Polignac number, because 115861201 - 2¹ = 115861199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115867201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17616 + ... + 23281.

It is an arithmetic number, because the mean of its divisors is an integer number (28976233).

Almost surely, 2^115861201 is an apocalyptic number.

It is an amenable number.

115861201 is a deficient number, since it is larger than the sum of its proper divisors (43731).

115861201 is an equidigital number, since it uses as much as digits as its factorization.

115861201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43730.

The product of its (nonzero) digits is 480, while the sum is 25.

The square root of 115861201 is about 10763.8841037982. The cubic root of 115861201 is about 487.5053004903.

The spelling of 115861201 in words is "one hundred fifteen million, eight hundred sixty-one thousand, two hundred one".