128083572 has 48 divisors (see below), whose sum is σ = 337713600. Its totient is φ = 41968800.

The previous prime is 128083561. The next prime is 128083609. The reversal of 128083572 is 275380821.

128083572 is a `hidden beast` number, since 1 + 2 + 8 + 0 + 83 + 572 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3679 + ... + 16422.

It is an arithmetic number, because the mean of its divisors is an integer number (7035700).

Almost surely, 2^128083572 is an apocalyptic number.

128083572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128083572 is an abundant number, since it is smaller than the sum of its proper divisors (209630028).

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

128083572 is a wasteful number, since it uses less digits than its factorization.

128083572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20173 (or 20165 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 128083572 is about 11317.4012918161. The cubic root of 128083572 is about 504.0780774731.

The spelling of 128083572 in words is "one hundred twenty-eight million, eighty-three thousand, five hundred seventy-two".