115166201 has 4 divisors (see below), whose sum is σ = 121227600. Its totient is φ = 109104804.

The previous prime is 115166197. The next prime is 115166203. The reversal of 115166201 is 102661511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102661511 = 43 ⋅2387477.

It is a cyclic number.

It is not a de Polignac number, because 115166201 - 2² = 115166197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115166203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3030671 + ... + 3030708.

It is an arithmetic number, because the mean of its divisors is an integer number (30306900).

Almost surely, 2^115166201 is an apocalyptic number.

It is an amenable number.

115166201 is a deficient number, since it is larger than the sum of its proper divisors (6061399).

115166201 is an equidigital number, since it uses as much as digits as its factorization.

115166201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061398.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 115166201 is about 10731.5516585441. The cubic root of 115166201 is about 486.5285688002.

The spelling of 115166201 in words is "one hundred fifteen million, one hundred sixty-six thousand, two hundred one".