127057145 has 8 divisors (see below), whose sum is σ = 152789760. Its totient is φ = 101431600.

The previous prime is 127057109. The next prime is 127057153. The reversal of 127057145 is 541750721.

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

It is not a de Polignac number, because 127057145 - 2⁶ = 127057081 is a prime.

It is a super-2 number, since 2×127057145² = 32287036191102050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24131 + ... + 28920.

It is an arithmetic number, because the mean of its divisors is an integer number (19098720).

Almost surely, 2^127057145 is an apocalyptic number.

It is an amenable number.

127057145 is a deficient number, since it is larger than the sum of its proper divisors (25732615).

127057145 is an equidigital number, since it uses as much as digits as its factorization.

127057145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53535.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 127057145 is about 11271.9627838278. The cubic root of 127057145 is about 502.7279495154.

The spelling of 127057145 in words is "one hundred twenty-seven million, fifty-seven thousand, one hundred forty-five".