127117007 has 4 divisors (see below), whose sum is σ = 134594496. Its totient is φ = 119639520.

The previous prime is 127116989. The next prime is 127117033. The reversal of 127117007 is 700711721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127117007 - 2¹² = 127112911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127117037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3738719 + ... + 3738752.

It is an arithmetic number, because the mean of its divisors is an integer number (33648624).

Almost surely, 2^127117007 is an apocalyptic number.

127117007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

127117007 is a deficient number, since it is larger than the sum of its proper divisors (7477489).

127117007 is an equidigital number, since it uses as much as digits as its factorization.

127117007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477488.

The product of its (nonzero) digits is 686, while the sum is 26.

The square root of 127117007 is about 11274.6178205738. The cubic root of 127117007 is about 502.8068892595.

Adding to 127117007 its reverse (700711721), we get a palindrome (827828728).

The spelling of 127117007 in words is "one hundred twenty-seven million, one hundred seventeen thousand, seven".