127680115 has 32 divisors (see below), whose sum is σ = 167783616. Its totient is φ = 92897280.

The previous prime is 127680097. The next prime is 127680143. The reversal of 127680115 is 511086721.

It is not a de Polignac number, because 127680115 - 2⁵ = 127680083 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661459 + ... + 661651.

It is an arithmetic number, because the mean of its divisors is an integer number (5243238).

Almost surely, 2^127680115 is an apocalyptic number.

127680115 is a deficient number, since it is larger than the sum of its proper divisors (40103501).

127680115 is a wasteful number, since it uses less digits than its factorization.

127680115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 127680115 is about 11299.5626021541. The cubic root of 127680115 is about 503.5482469898.

The spelling of 127680115 in words is "one hundred twenty-seven million, six hundred eighty thousand, one hundred fifteen".