127472323274721 has 16 divisors (see below), whose sum is σ = 193453932342720. Its totient is φ = 82908828145440.

The previous prime is 127472323274717. The next prime is 127472323274731.

127472323274721 is a `hidden beast` number, since 1 + 2 + 7 + 47 + 2 + 323 + 274 + 7 + 2 + 1 = 666.

127472323274721 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 127472323274721 - 2² = 127472323274717 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (127472323274731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57575573995 + ... + 57575576208.

It is an arithmetic number, because the mean of its divisors is an integer number (12090870771420).

Almost surely, 2^{127472323274721} is an apocalyptic number.

It is an amenable number.

127472323274721 is a deficient number, since it is larger than the sum of its proper divisors (65981609067999).

127472323274721 is a wasteful number, since it uses less digits than its factorization.

127472323274721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115151150253 (or 115151150247 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 54.

The spelling of 127472323274721 in words is "one hundred twenty-seven trillion, four hundred seventy-two billion, three hundred twenty-three million, two hundred seventy-four thousand, seven hundred twenty-one".