115401 has 16 divisors (see below), whose sum is σ = 181440. Its totient is φ = 64320.

The previous prime is 115399. The next prime is 115421. The reversal of 115401 is 104511.

It is a happy number.

It is not a de Polignac number, because 115401 - 2¹ = 115399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2¹¹⁵⁴⁰¹ is an apocalyptic number.

115401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115401 is a deficient number, since it is larger than the sum of its proper divisors (66039).

115401 is a wasteful number, since it uses less digits than its factorization.

115401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 115401 is about 339.7072268881. The cubic root of 115401 is about 48.6858986561.

Adding to 115401 its reverse (104511), we get a palindrome (219912).

The spelling of 115401 in words is "one hundred fifteen thousand, four hundred one".