127931063 has 16 divisors (see below), whose sum is σ = 142133376. Its totient is φ = 114397920.

The previous prime is 127931059. The next prime is 127931077. The reversal of 127931063 is 360139721.

It is a happy number.

It is not a de Polignac number, because 127931063 - 2² = 127931059 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 (127931033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72356 + ... + 74102.

It is an arithmetic number, because the mean of its divisors is an integer number (8883336).

Almost surely, 2^127931063 is an apocalyptic number.

127931063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

127931063 is a deficient number, since it is larger than the sum of its proper divisors (14202313).

127931063 is a wasteful number, since it uses less digits than its factorization.

127931063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 127931063 is about 11310.6614749094. The cubic root of 127931063 is about 503.8779295677.

The spelling of 127931063 in words is "one hundred twenty-seven million, nine hundred thirty-one thousand, sixty-three".