127241591872 has 56 divisors (see below), whose sum is σ = 265836745440. Its totient is φ = 60260428800.

The previous prime is 127241591839. The next prime is 127241591941. The reversal of 127241591872 is 278195142721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10776372 + ... + 10788172.

It is an arithmetic number, because the mean of its divisors is an integer number (4747084740).

Almost surely, 2^127241591872 is an apocalyptic number.

It is an amenable number.

127241591872 is an abundant number, since it is smaller than the sum of its proper divisors (138595153568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127241591872 is a wasteful number, since it uses less digits than its factorization.

127241591872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20699 (or 20689 counting only the distinct ones).

The product of its digits is 564480, while the sum is 49.

The spelling of 127241591872 in words is "one hundred twenty-seven billion, two hundred forty-one million, five hundred ninety-one thousand, eight hundred seventy-two".