115427409 has 8 divisors (see below), whose sum is σ = 160594752. Its totient is φ = 73605840.

The previous prime is 115427401. The next prime is 115427447. The reversal of 115427409 is 904724511.

It is a happy number.

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

It is not a de Polignac number, because 115427409 - 2³ = 115427401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115427409.

It is not an unprimeable number, because it can be changed into a prime (115427401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836362 + ... + 836499.

It is an arithmetic number, because the mean of its divisors is an integer number (20074344).

Almost surely, 2^115427409 is an apocalyptic number.

It is an amenable number.

115427409 is a deficient number, since it is larger than the sum of its proper divisors (45167343).

115427409 is a wasteful number, since it uses less digits than its factorization.

115427409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672887.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 115427409 is about 10743.7148603265. The cubic root of 115427409 is about 486.8961222252.

The spelling of 115427409 in words is "one hundred fifteen million, four hundred twenty-seven thousand, four hundred nine".