127620646 has 16 divisors (see below), whose sum is σ = 196617168. Its totient is φ = 62092800.

The previous prime is 127620643. The next prime is 127620653. The reversal of 127620646 is 646026721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127620641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21526 + ... + 26806.

It is an arithmetic number, because the mean of its divisors is an integer number (12288573).

Almost surely, 2^127620646 is an apocalyptic number.

127620646 is a deficient number, since it is larger than the sum of its proper divisors (68996522).

127620646 is a wasteful number, since it uses less digits than its factorization.

127620646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 127620646 is about 11296.9308221304. The cubic root of 127620646 is about 503.4700563723.

The spelling of 127620646 in words is "one hundred twenty-seven million, six hundred twenty thousand, six hundred forty-six".