127113665 has 16 divisors (see below), whose sum is σ = 175706112. Its totient is φ = 86474304.

The previous prime is 127113647. The next prime is 127113689. The reversal of 127113665 is 566311721.

It is not a de Polignac number, because 127113665 - 2⁶ = 127113601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9854 + ... + 18743.

It is an arithmetic number, because the mean of its divisors is an integer number (10981632).

Almost surely, 2^127113665 is an apocalyptic number.

It is an amenable number.

127113665 is a deficient number, since it is larger than the sum of its proper divisors (48592447).

127113665 is a wasteful number, since it uses less digits than its factorization.

127113665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28736.

The product of its digits is 7560, while the sum is 32.

The square root of 127113665 is about 11274.4696105848. The cubic root of 127113665 is about 502.8024828327.

The spelling of 127113665 in words is "one hundred twenty-seven million, one hundred thirteen thousand, six hundred sixty-five".