127680606 has 24 divisors (see below), whose sum is σ = 276906240. Its totient is φ = 42519456.

The previous prime is 127680587. The next prime is 127680607. The reversal of 127680606 is 606086721.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127680607) 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 11 ways as a sum of consecutive naturals, for example, 20451 + ... + 25953.

It is an arithmetic number, because the mean of its divisors is an integer number (11537760).

Almost surely, 2^127680606 is an apocalyptic number.

127680606 is an abundant number, since it is smaller than the sum of its proper divisors (149225634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127680606 is a wasteful number, since it uses less digits than its factorization.

127680606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800 (or 6797 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 127680606 is about 11299.5843286379. The cubic root of 127680606 is about 503.5488924619.

The spelling of 127680606 in words is "one hundred twenty-seven million, six hundred eighty thousand, six hundred six".