128474853 has 16 divisors (see below), whose sum is σ = 188978496. Its totient is φ = 77132160.

The previous prime is 128474839. The next prime is 128474861. The reversal of 128474853 is 358474821.

It is not a de Polignac number, because 128474853 - 2⁴ = 128474837 is a prime.

It is a super-3 number, since 3×128474853³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128474893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38575 + ... + 41772.

It is an arithmetic number, because the mean of its divisors is an integer number (11811156).

Almost surely, 2^128474853 is an apocalyptic number.

128474853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

128474853 is a deficient number, since it is larger than the sum of its proper divisors (60503643).

128474853 is a wasteful number, since it uses less digits than its factorization.

128474853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80404.

The product of its digits is 215040, while the sum is 42.

The square root of 128474853 is about 11334.6748078628. The cubic root of 128474853 is about 504.5908563994.

The spelling of 128474853 in words is "one hundred twenty-eight million, four hundred seventy-four thousand, eight hundred fifty-three".