115156201 has 4 divisors (see below), whose sum is σ = 115303312. Its totient is φ = 115009092.

The previous prime is 115156199. The next prime is 115156213. The reversal of 115156201 is 102651511.

It is a happy number.

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: 102651511 = 97 ⋅1058263.

It is a cyclic number.

It is not a de Polignac number, because 115156201 - 2¹ = 115156199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115156241) 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, 72375 + ... + 73948.

It is an arithmetic number, because the mean of its divisors is an integer number (28825828).

Almost surely, 2^115156201 is an apocalyptic number.

It is an amenable number.

115156201 is a deficient number, since it is larger than the sum of its proper divisors (147111).

115156201 is an equidigital number, since it uses as much as digits as its factorization.

115156201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147110.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 115156201 is about 10731.0857325808. The cubic root of 115156201 is about 486.5144864669.

The spelling of 115156201 in words is "one hundred fifteen million, one hundred fifty-six thousand, two hundred one".