127056057 has 4 divisors (see below), whose sum is σ = 169408080. Its totient is φ = 84704036.

The previous prime is 127056023. The next prime is 127056067. The reversal of 127056057 is 750650721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 750650721 = 3 ⋅250216907.

It is a cyclic number.

It is not a de Polignac number, because 127056057 - 2⁸ = 127055801 is a prime.

It is a super-2 number, since 2×127056057² = 32286483240774498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127056067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21176007 + ... + 21176012.

It is an arithmetic number, because the mean of its divisors is an integer number (42352020).

Almost surely, 2^127056057 is an apocalyptic number.

It is an amenable number.

127056057 is a deficient number, since it is larger than the sum of its proper divisors (42352023).

127056057 is an equidigital number, since it uses as much as digits as its factorization.

127056057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42352022.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 127056057 is about 11271.9145223870. The cubic root of 127056057 is about 502.7265145454.

The spelling of 127056057 in words is "one hundred twenty-seven million, fifty-six thousand, fifty-seven".