128455253 has 8 divisors (see below), whose sum is σ = 135878208. Its totient is φ = 121185504.

The previous prime is 128455241. The next prime is 128455267. The reversal of 128455253 is 352554821.

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 128455253 - 2⁴ = 128455237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128455153) 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, 36575 + ... + 39932.

It is an arithmetic number, because the mean of its divisors is an integer number (16984776).

Almost surely, 2^128455253 is an apocalyptic number.

It is an amenable number.

128455253 is a deficient number, since it is larger than the sum of its proper divisors (7422955).

128455253 is an equidigital number, since it uses as much as digits as its factorization.

128455253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76603.

The product of its digits is 48000, while the sum is 35.

The square root of 128455253 is about 11333.8101713413. The cubic root of 128455253 is about 504.5651951292.

The spelling of 128455253 in words is "one hundred twenty-eight million, four hundred fifty-five thousand, two hundred fifty-three".