127745386 has 8 divisors (see below), whose sum is σ = 196797060. Its totient is φ = 62146368.

The previous prime is 127745369. The next prime is 127745393. The reversal of 127745386 is 683547721.

It can be written as a sum of positive squares in 2 ways, for example, as 125552025 + 2193361 = 11205^2 + 1481^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 863071 + ... + 863218.

Almost surely, 2^127745386 is an apocalyptic number.

127745386 is a deficient number, since it is larger than the sum of its proper divisors (69051674).

127745386 is a wasteful number, since it uses less digits than its factorization.

127745386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726328.

The product of its digits is 282240, while the sum is 43.

The square root of 127745386 is about 11302.4504422714. The cubic root of 127745386 is about 503.6340382100.

The spelling of 127745386 in words is "one hundred twenty-seven million, seven hundred forty-five thousand, three hundred eighty-six".