128385372 has 24 divisors (see below), whose sum is σ = 299884816. Its totient is φ = 42749568.

The previous prime is 128385347. The next prime is 128385373. The reversal of 128385372 is 273583821.

It is a self number, because there is not a number n which added to its sum of digits gives 128385372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128385373) by changing a digit.

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, 7218 + ... + 17574.

Almost surely, 2^128385372 is an apocalyptic number.

128385372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128385372 is an abundant number, since it is smaller than the sum of its proper divisors (171499444).

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

128385372 is a wasteful number, since it uses less digits than its factorization.

128385372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11397 (or 11395 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 128385372 is about 11330.7268963646. The cubic root of 128385372 is about 504.4736822862.

The spelling of 128385372 in words is "one hundred twenty-eight million, three hundred eighty-five thousand, three hundred seventy-two".