127461585164721 has 8 divisors (see below), whose sum is σ = 169951443288960. Its totient is φ = 84973058575152.

The previous prime is 127461585164689. The next prime is 127461585164779.

127461585164721 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127461585164721 - 2⁵ = 127461585164689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127461585164021) 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, 332660286 + ... + 333043223.

It is an arithmetic number, because the mean of its divisors is an integer number (21243930411120).

Almost surely, 2^{127461585164721} is an apocalyptic number.

It is an amenable number.

127461585164721 is a deficient number, since it is larger than the sum of its proper divisors (42489858124239).

127461585164721 is an equidigital number, since it uses as much as digits as its factorization.

127461585164721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665767335.

The product of its digits is 22579200, while the sum is 60.

The spelling of 127461585164721 in words is "one hundred twenty-seven trillion, four hundred sixty-one billion, five hundred eighty-five million, one hundred sixty-four thousand, seven hundred twenty-one".