128455196 has 24 divisors (see below), whose sum is σ = 245702016. Its totient is φ = 58498560.

The previous prime is 128455193. The next prime is 128455211. The reversal of 128455196 is 691554821.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128455193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28361 + ... + 32576.

It is an arithmetic number, because the mean of its divisors is an integer number (10237584).

Almost surely, 2^128455196 is an apocalyptic number.

It is an amenable number.

128455196 is a deficient number, since it is larger than the sum of its proper divisors (117246820).

128455196 is a wasteful number, since it uses less digits than its factorization.

128455196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60989 (or 60987 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 128455196 is about 11333.8076567410. The cubic root of 128455196 is about 504.5651204982.

The spelling of 128455196 in words is "one hundred twenty-eight million, four hundred fifty-five thousand, one hundred ninety-six".