127164705 has 16 divisors (see below), whose sum is σ = 203817600. Its totient is φ = 67703168.

The previous prime is 127164703. The next prime is 127164721. The reversal of 127164705 is 507461721.

It is a cyclic number.

It is not a de Polignac number, because 127164705 - 2¹ = 127164703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127164703) 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 15 ways as a sum of consecutive naturals, for example, 1909 + ... + 16061.

It is an arithmetic number, because the mean of its divisors is an integer number (12738600).

Almost surely, 2^127164705 is an apocalyptic number.

127164705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127164705 is a deficient number, since it is larger than the sum of its proper divisors (76652895).

127164705 is a wasteful number, since it uses less digits than its factorization.

127164705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14760.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 127164705 is about 11276.7329045251. The cubic root of 127164705 is about 502.8697706538.

The spelling of 127164705 in words is "one hundred twenty-seven million, one hundred sixty-four thousand, seven hundred five".