127889006 has 16 divisors (see below), whose sum is σ = 219383424. Its totient is φ = 54773304.

The previous prime is 127888991. The next prime is 127889017. The reversal of 127889006 is 600988721.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 39941 + ... + 43023.

It is an arithmetic number, because the mean of its divisors is an integer number (13711464).

Almost surely, 2^127889006 is an apocalyptic number.

127889006 is a deficient number, since it is larger than the sum of its proper divisors (91494418).

127889006 is a wasteful number, since it uses less digits than its factorization.

127889006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 127889006 is about 11308.8021470004. The cubic root of 127889006 is about 503.8227073352.

The spelling of 127889006 in words is "one hundred twenty-seven million, eight hundred eighty-nine thousand, six".