127222405775 has 12 divisors (see below), whose sum is σ = 158317200384. Its totient is φ = 101415720000.

The previous prime is 127222405747. The next prime is 127222405799. The reversal of 127222405775 is 577504222721.

It is a happy number.

It is not a de Polignac number, because 127222405775 - 2²⁴ = 127205628559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9047951 + ... + 9062000.

It is an arithmetic number, because the mean of its divisors is an integer number (13193100032).

Almost surely, 2^127222405775 is an apocalyptic number.

127222405775 is a deficient number, since it is larger than the sum of its proper divisors (31094794609).

127222405775 is a wasteful number, since it uses less digits than its factorization.

127222405775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18110242 (or 18110237 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 44.

The spelling of 127222405775 in words is "one hundred twenty-seven billion, two hundred twenty-two million, four hundred five thousand, seven hundred seventy-five".