127142328868 has 12 divisors (see below), whose sum is σ = 222545453452. Its totient is φ = 63557913600.

The previous prime is 127142328791. The next prime is 127142328871. The reversal of 127142328868 is 868823241721.

It can be written as a sum of positive squares in 2 ways, for example, as 53494138944 + 73648189924 = 231288^2 + 271382^2 .

It is a super-2 number, since 2×127142328868² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 3291105 + ... + 3329512.

Almost surely, 2^127142328868 is an apocalyptic number.

It is an amenable number.

127142328868 is a deficient number, since it is larger than the sum of its proper divisors (95403124584).

127142328868 is a wasteful number, since it uses less digits than its factorization.

127142328868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625422 (or 6625420 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The spelling of 127142328868 in words is "one hundred twenty-seven billion, one hundred forty-two million, three hundred twenty-eight thousand, eight hundred sixty-eight".