128285351 has 8 divisors (see below), whose sum is σ = 131925024. Its totient is φ = 124670080.

The previous prime is 128285317. The next prime is 128285429. The reversal of 128285351 is 153582821.

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 128285351 - 2¹⁴ = 128268967 is a prime.

It is a super-3 number, since 3×128285351³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128285051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4835 + ... + 16731.

It is an arithmetic number, because the mean of its divisors is an integer number (16490628).

Almost surely, 2^128285351 is an apocalyptic number.

128285351 is a deficient number, since it is larger than the sum of its proper divisors (3639673).

128285351 is a wasteful number, since it uses less digits than its factorization.

128285351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201.

The product of its digits is 19200, while the sum is 35.

The square root of 128285351 is about 11326.3123301452. The cubic root of 128285351 is about 504.3426417311.

The spelling of 128285351 in words is "one hundred twenty-eight million, two hundred eighty-five thousand, three hundred fifty-one".