127664924 has 6 divisors (see below), whose sum is σ = 223413624. Its totient is φ = 63832460.

The previous prime is 127664923. The next prime is 127664941. The reversal of 127664924 is 429466721.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127664923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15958112 + ... + 15958119.

It is an arithmetic number, because the mean of its divisors is an integer number (37235604).

Almost surely, 2^127664924 is an apocalyptic number.

It is an amenable number.

127664924 is a deficient number, since it is larger than the sum of its proper divisors (95748700).

127664924 is a wasteful number, since it uses less digits than its factorization.

127664924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31916235 (or 31916233 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 127664924 is about 11298.8903879983. The cubic root of 127664924 is about 503.5282759739.

The spelling of 127664924 in words is "one hundred twenty-seven million, six hundred sixty-four thousand, nine hundred twenty-four".