128727068 has 6 divisors (see below), whose sum is σ = 225272376. Its totient is φ = 64363532.

The previous prime is 128727041. The next prime is 128727101. The reversal of 128727068 is 860727821.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16090880 + ... + 16090887.

It is an arithmetic number, because the mean of its divisors is an integer number (37545396).

Almost surely, 2^128727068 is an apocalyptic number.

It is an amenable number.

128727068 is a deficient number, since it is larger than the sum of its proper divisors (96545308).

128727068 is a wasteful number, since it uses less digits than its factorization.

128727068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32181771 (or 32181769 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 128727068 is about 11345.7951682551. The cubic root of 128727068 is about 504.9208358737.

The spelling of 128727068 in words is "one hundred twenty-eight million, seven hundred twenty-seven thousand, sixty-eight".