128573833 has 8 divisors (see below), whose sum is σ = 133065216. Its totient is φ = 124104000.

The previous prime is 128573831. The next prime is 128573857. The reversal of 128573833 is 338375821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128573833 - 2¹ = 128573831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128573831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7260 + ... + 17602.

It is an arithmetic number, because the mean of its divisors is an integer number (16633152).

Almost surely, 2^128573833 is an apocalyptic number.

It is an amenable number.

128573833 is a deficient number, since it is larger than the sum of its proper divisors (4491383).

128573833 is a wasteful number, since it uses less digits than its factorization.

128573833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10775.

The product of its digits is 120960, while the sum is 40.

The square root of 128573833 is about 11339.0402151152. The cubic root of 128573833 is about 504.7204059602.

The spelling of 128573833 in words is "one hundred twenty-eight million, five hundred seventy-three thousand, eight hundred thirty-three".