115213201 has 8 divisors (see below), whose sum is σ = 121141800. Its totient is φ = 109415040.

The previous prime is 115213193. The next prime is 115213243. The reversal of 115213201 is 102312511.

It can be written as a sum of positive squares in 4 ways, for example, as 2322576 + 112890625 = 1524^2 + 10625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115213201 - 2³ = 115213193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115213291) 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 7 ways as a sum of consecutive naturals, for example, 30796 + ... + 34333.

It is an arithmetic number, because the mean of its divisors is an integer number (15142725).

Almost surely, 2^115213201 is an apocalyptic number.

It is an amenable number.

115213201 is a deficient number, since it is larger than the sum of its proper divisors (5928599).

115213201 is an equidigital number, since it uses as much as digits as its factorization.

115213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65219.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 115213201 is about 10733.7412396610. The cubic root of 115213201 is about 486.5947448500.

Adding to 115213201 its reverse (102312511), we get a palindrome (217525712).

The spelling of 115213201 in words is "one hundred fifteen million, two hundred thirteen thousand, two hundred one".