127755747 has 12 divisors (see below), whose sum is σ = 210898480. Its totient is φ = 73003248.

The previous prime is 127755707. The next prime is 127755751. The reversal of 127755747 is 747557721.

127755747 is a `hidden beast` number, since 1 + 2 + 7 + 75 + 574 + 7 = 666.

It is not a de Polignac number, because 127755747 - 2⁸ = 127755491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127755707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1013872 + ... + 1013997.

Almost surely, 2^127755747 is an apocalyptic number.

127755747 is a deficient number, since it is larger than the sum of its proper divisors (83142733).

127755747 is a wasteful number, since it uses less digits than its factorization.

127755747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027882 (or 2027879 counting only the distinct ones).

The product of its digits is 480200, while the sum is 45.

The square root of 127755747 is about 11302.9087849102. The cubic root of 127755747 is about 503.6476538647.

The spelling of 127755747 in words is "one hundred twenty-seven million, seven hundred fifty-five thousand, seven hundred forty-seven".