127712717 has 12 divisors (see below), whose sum is σ = 140652288. Its totient is φ = 115876200.

The previous prime is 127712707. The next prime is 127712729. The reversal of 127712717 is 717217721.

It is not a de Polignac number, because 127712717 - 2⁴ = 127712701 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127712707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116948 + ... + 118034.

It is an arithmetic number, because the mean of its divisors is an integer number (11721024).

Almost surely, 2^127712717 is an apocalyptic number.

It is an amenable number.

127712717 is a deficient number, since it is larger than the sum of its proper divisors (12939571).

127712717 is a wasteful number, since it uses less digits than its factorization.

127712717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2069 counting only the distinct ones).

The product of its digits is 9604, while the sum is 35.

The square root of 127712717 is about 11301.0051322880. The cubic root of 127712717 is about 503.5911022218.

The spelling of 127712717 in words is "one hundred twenty-seven million, seven hundred twelve thousand, seven hundred seventeen".