128583372 has 12 divisors (see below), whose sum is σ = 300027896. Its totient is φ = 42861120.

The previous prime is 128583347. The next prime is 128583383. The reversal of 128583372 is 273385821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 128583372.

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 3 ways as a sum of consecutive naturals, for example, 5357629 + ... + 5357652.

Almost surely, 2^128583372 is an apocalyptic number.

128583372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128583372 is an abundant number, since it is smaller than the sum of its proper divisors (171444524).

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

128583372 is a wasteful number, since it uses less digits than its factorization.

128583372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10715288 (or 10715286 counting only the distinct ones).

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

The square root of 128583372 is about 11339.4608337434. The cubic root of 128583372 is about 504.7328875276.

The spelling of 128583372 in words is "one hundred twenty-eight million, five hundred eighty-three thousand, three hundred seventy-two".