127856057 has 8 divisors (see below), whose sum is σ = 152474496. Its totient is φ = 104825952.

The previous prime is 127856051. The next prime is 127856077. The reversal of 127856057 is 750658721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127856057 - 2⁶ = 127855993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127856051) by changing a digit.

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, 396908 + ... + 397229.

It is an arithmetic number, because the mean of its divisors is an integer number (19059312).

Almost surely, 2^127856057 is an apocalyptic number.

It is an amenable number.

127856057 is a deficient number, since it is larger than the sum of its proper divisors (24618439).

127856057 is an equidigital number, since it uses as much as digits as its factorization.

127856057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794167.

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 127856057 is about 11307.3452675683. The cubic root of 127856057 is about 503.7794357495.

The spelling of 127856057 in words is "one hundred twenty-seven million, eight hundred fifty-six thousand, fifty-seven".