115201281 has 8 divisors (see below), whose sum is σ = 165417280. Its totient is φ = 70893072.

The previous prime is 115201279. The next prime is 115201283. The reversal of 115201281 is 182102511.

It is an interprime number because it is at equal distance from previous prime (115201279) and next prime (115201283).

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

It is not a de Polignac number, because 115201281 - 2¹ = 115201279 is a prime.

It is a super-2 number, since 2×115201281² = 26542670288081922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115201283) 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, 1476901 + ... + 1476978.

It is an arithmetic number, because the mean of its divisors is an integer number (20677160).

Almost surely, 2^115201281 is an apocalyptic number.

It is an amenable number.

115201281 is a deficient number, since it is larger than the sum of its proper divisors (50215999).

115201281 is a wasteful number, since it uses less digits than its factorization.

115201281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953895.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 115201281 is about 10733.1859668972. The cubic root of 115201281 is about 486.5779631810.

Adding to 115201281 its reverse (182102511), we get a palindrome (297303792).

The spelling of 115201281 in words is "one hundred fifteen million, two hundred one thousand, two hundred eighty-one".