127892991122 has 16 divisors (see below), whose sum is σ = 207066995520. Its totient is φ = 58893070032.

The previous prime is 127892991097. The next prime is 127892991131. The reversal of 127892991122 is 221199298721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5591048 + ... + 5613875.

It is an arithmetic number, because the mean of its divisors is an integer number (12941687220).

Almost surely, 2^127892991122 is an apocalyptic number.

127892991122 is a deficient number, since it is larger than the sum of its proper divisors (79174004398).

127892991122 is a wasteful number, since it uses less digits than its factorization.

127892991122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205377.

The product of its digits is 653184, while the sum is 53.

The spelling of 127892991122 in words is "one hundred twenty-seven billion, eight hundred ninety-two million, nine hundred ninety-one thousand, one hundred twenty-two".