127006636 has 24 divisors (see below), whose sum is σ = 226763264. Its totient is φ = 62225280.

The previous prime is 127006613. The next prime is 127006639. The reversal of 127006636 is 636600721.

It is a super-2 number, since 2×127006636² = 32261371176072992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127006598 and 127006607.

It is not an unprimeable number, because it can be changed into a prime (127006639) by changing a digit.

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, 75541 + ... + 77203.

Almost surely, 2^127006636 is an apocalyptic number.

It is an amenable number.

127006636 is a deficient number, since it is larger than the sum of its proper divisors (99756628).

127006636 is a wasteful number, since it uses less digits than its factorization.

127006636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 127006636 is about 11269.7220906285. The cubic root of 127006636 is about 502.6613242409.

The spelling of 127006636 in words is "one hundred twenty-seven million, six thousand, six hundred thirty-six".