128761112 has 16 divisors (see below), whose sum is σ = 242370360. Its totient is φ = 64129024.

The previous prime is 128761103. The next prime is 128761117. The reversal of 128761112 is 211167821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128761117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29258 + ... + 33369.

Almost surely, 2^128761112 is an apocalyptic number.

It is an amenable number.

128761112 is a deficient number, since it is larger than the sum of its proper divisors (113609248).

128761112 is a wasteful number, since it uses less digits than its factorization.

128761112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62890 (or 62886 counting only the distinct ones).

The product of its digits is 1344, while the sum is 29.

The square root of 128761112 is about 11347.2953605694. The cubic root of 128761112 is about 504.9653435028.

The spelling of 128761112 in words is "one hundred twenty-eight million, seven hundred sixty-one thousand, one hundred twelve".