115217201 has 8 divisors (see below), whose sum is σ = 125769504. Its totient is φ = 104677920.

The previous prime is 115217191. The next prime is 115217209. The reversal of 115217201 is 102712511.

It is a happy number.

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 115217201 - 2¹⁴ = 115200817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115217209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30710 + ... + 34256.

It is an arithmetic number, because the mean of its divisors is an integer number (15721188).

Almost surely, 2^115217201 is an apocalyptic number.

115217201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115217201 is a deficient number, since it is larger than the sum of its proper divisors (10552303).

115217201 is a wasteful number, since it uses less digits than its factorization.

115217201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 115217201 is about 10733.9275663664. The cubic root of 115217201 is about 486.6003760232.

Adding to 115217201 its reverse (102712511), we get a palindrome (217929712).

The spelling of 115217201 in words is "one hundred fifteen million, two hundred seventeen thousand, two hundred one".