127825636 has 9 divisors (see below), whose sum is σ = 223734441. Its totient is φ = 63901512.

The previous prime is 127825583. The next prime is 127825661. The reversal of 127825636 is 636528721.

The square root of 127825636 is 11306.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 100200100 + 27625536 = 10010^2 + 5256^2 .

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 19786 + ... + 25438.

Almost surely, 2^127825636 is an apocalyptic number.

127825636 is the 11306-th square number.

It is an amenable number.

127825636 is a deficient number, since it is larger than the sum of its proper divisors (95908805).

127825636 is an frugal number, since it uses more digits than its factorization.

127825636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310 (or 5655 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The cubic root of 127825636 is about 503.7394775596.

The spelling of 127825636 in words is "one hundred twenty-seven million, eight hundred twenty-five thousand, six hundred thirty-six".