127171170742 has 32 divisors (see below), whose sum is σ = 237853923840. Its totient is φ = 49541518080.

The previous prime is 127171170713. The next prime is 127171170769. The reversal of 127171170742 is 247071171721.

It is a junction number, because it is equal to n+sod(n) for n = 127171170695 and 127171170704.

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 15 ways as a sum of consecutive naturals, for example, 1450759 + ... + 1535917.

It is an arithmetic number, because the mean of its divisors is an integer number (7432935120).

Almost surely, 2^127171170742 is an apocalyptic number.

127171170742 is a deficient number, since it is larger than the sum of its proper divisors (110682753098).

127171170742 is a wasteful number, since it uses less digits than its factorization.

127171170742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94876.

The product of its (nonzero) digits is 38416, while the sum is 40.

The spelling of 127171170742 in words is "one hundred twenty-seven billion, one hundred seventy-one million, one hundred seventy thousand, seven hundred forty-two".