127144720705 has 8 divisors (see below), whose sum is σ = 159207302592. Its totient is φ = 97293351408.

The previous prime is 127144720679. The next prime is 127144720741. The reversal of 127144720705 is 507027441721.

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

It is a cyclic number.

It is not a de Polignac number, because 127144720705 - 2⁵ = 127144720673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552803019 + ... + 552803248.

It is an arithmetic number, because the mean of its divisors is an integer number (19900912824).

Almost surely, 2^127144720705 is an apocalyptic number.

It is an amenable number.

127144720705 is a deficient number, since it is larger than the sum of its proper divisors (32062581887).

127144720705 is a wasteful number, since it uses less digits than its factorization.

127144720705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105606295.

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 127144720705 in words is "one hundred twenty-seven billion, one hundred forty-four million, seven hundred twenty thousand, seven hundred five".