127722601601 has 8 divisors (see below), whose sum is σ = 148361617344. Its totient is φ = 107681818320.

The previous prime is 127722601577. The next prime is 127722601607. The reversal of 127722601601 is 106106227721.

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 127722601601 - 2¹⁸ = 127722339457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127722601607) 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, 149557655 + ... + 149558508.

It is an arithmetic number, because the mean of its divisors is an integer number (18545202168).

Almost surely, 2^127722601601 is an apocalyptic number.

It is an amenable number.

127722601601 is a deficient number, since it is larger than the sum of its proper divisors (20639015743).

127722601601 is an equidigital number, since it uses as much as digits as its factorization.

127722601601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299116231.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 127722601601 in words is "one hundred twenty-seven billion, seven hundred twenty-two million, six hundred one thousand, six hundred one".