115121201 has 4 divisors (see below), whose sum is σ = 123976692. Its totient is φ = 106265712.

The previous prime is 115121183. The next prime is 115121207. The reversal of 115121201 is 102121511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102121511 = 193 ⋅529127.

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 103225600 = 3449^2 + 10160^2 .

It is a cyclic number.

It is not a de Polignac number, because 115121201 - 2⁶ = 115121137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115121207) 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, 4427726 + ... + 4427751.

It is an arithmetic number, because the mean of its divisors is an integer number (30994173).

Almost surely, 2^115121201 is an apocalyptic number.

It is an amenable number.

115121201 is a deficient number, since it is larger than the sum of its proper divisors (8855491).

115121201 is an equidigital number, since it uses as much as digits as its factorization.

115121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855490.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 115121201 is about 10729.4548323762. The cubic root of 115121201 is about 486.4651918789.

Adding to 115121201 its reverse (102121511), we get a palindrome (217242712).

The spelling of 115121201 in words is "one hundred fifteen million, one hundred twenty-one thousand, two hundred one".