127572845 has 8 divisors (see below), whose sum is σ = 162092664. Its totient is φ = 96054784.

The previous prime is 127572839. The next prime is 127572869. The reversal of 127572845 is 548275721.

It can be written as a sum of positive squares in 4 ways, for example, as 58033924 + 69538921 = 7618^2 + 8339^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 127572845 - 2¹⁴ = 127556461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 750344 + ... + 750513.

It is an arithmetic number, because the mean of its divisors is an integer number (20261583).

Almost surely, 2^127572845 is an apocalyptic number.

It is an amenable number.

127572845 is a deficient number, since it is larger than the sum of its proper divisors (34519819).

127572845 is a wasteful number, since it uses less digits than its factorization.

127572845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500879.

The product of its digits is 156800, while the sum is 41.

The square root of 127572845 is about 11294.8149608570. The cubic root of 127572845 is about 503.4071893825.

The spelling of 127572845 in words is "one hundred twenty-seven million, five hundred seventy-two thousand, eight hundred forty-five".