127952667506 has 8 divisors (see below), whose sum is σ = 192642492780. Its totient is φ = 63738503248.

The previous prime is 127952667503. The next prime is 127952667527. The reversal of 127952667506 is 605766259721.

127952667506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 119339157025 + 8613510481 = 345455^2 + 92809^2 .

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

It is not an unprimeable number, because it can be changed into a prime (127952667503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118914581 + ... + 118915656.

Almost surely, 2^127952667506 is an apocalyptic number.

127952667506 is a deficient number, since it is larger than the sum of its proper divisors (64689825274).

127952667506 is a wasteful number, since it uses less digits than its factorization.

127952667506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237830508.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 127952667506 in words is "one hundred twenty-seven billion, nine hundred fifty-two million, six hundred sixty-seven thousand, five hundred six".