127875217 has 8 divisors (see below), whose sum is σ = 132366080. Its totient is φ = 123407280.

The previous prime is 127875169. The next prime is 127875259. The reversal of 127875217 is 712578721.

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

It is a de Polignac number, because none of the positive numbers 2^k-127875217 is a prime.

It is a super-2 number, since 2×127875217² = 32704142245594178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127875217.

It is not an unprimeable number, because it can be changed into a prime (127875287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6034 + ... + 17092.

It is an arithmetic number, because the mean of its divisors is an integer number (16545760).

Almost surely, 2^127875217 is an apocalyptic number.

It is an amenable number.

127875217 is a deficient number, since it is larger than the sum of its proper divisors (4490863).

127875217 is a wasteful number, since it uses less digits than its factorization.

127875217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463.

The product of its digits is 54880, while the sum is 40.

The square root of 127875217 is about 11308.1924727164. The cubic root of 127875217 is about 503.8045992866.

The spelling of 127875217 in words is "one hundred twenty-seven million, eight hundred seventy-five thousand, two hundred seventeen".