127564064 has 12 divisors (see below), whose sum is σ = 251141814. Its totient is φ = 63782016.

The previous prime is 127564061. The next prime is 127564091. The reversal of 127564064 is 460465721.

It can be written as a sum of positive squares in only one way, i.e., 103632400 + 23931664 = 10180^2 + 4892^2 .

It is not an unprimeable number, because it can be changed into a prime (127564061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993157 + ... + 1993220.

Almost surely, 2^127564064 is an apocalyptic number.

It is an amenable number.

127564064 is a deficient number, since it is larger than the sum of its proper divisors (123577750).

127564064 is an equidigital number, since it uses as much as digits as its factorization.

127564064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986387 (or 3986379 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 127564064 is about 11294.4262359803. The cubic root of 127564064 is about 503.3956390667.

The spelling of 127564064 in words is "one hundred twenty-seven million, five hundred sixty-four thousand, sixty-four".