128037912 has 64 divisors (see below), whose sum is σ = 327991680. Its totient is φ = 41640192.

The previous prime is 128037901. The next prime is 128037919. The reversal of 128037912 is 219730821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128037919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187123 + ... + 187805.

It is an arithmetic number, because the mean of its divisors is an integer number (5124870).

Almost surely, 2^128037912 is an apocalyptic number.

128037912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128037912 is an abundant number, since it is smaller than the sum of its proper divisors (199953768).

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

128037912 is a wasteful number, since it uses less digits than its factorization.

128037912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 128037912 is about 11315.3838644564. The cubic root of 128037912 is about 504.0181714285.

The spelling of 128037912 in words is "one hundred twenty-eight million, thirty-seven thousand, nine hundred twelve".