128453858 has 12 divisors (see below), whose sum is σ = 208643058. Its totient is φ = 59286240.

The previous prime is 128453849. The next prime is 128453869. The reversal of 128453858 is 858354821.

It can be written as a sum of positive squares in 3 ways, for example, as 37002889 + 91450969 = 6083^2 + 9563^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189683 + ... + 190358.

Almost surely, 2^128453858 is an apocalyptic number.

128453858 is a deficient number, since it is larger than the sum of its proper divisors (80189200).

128453858 is a wasteful number, since it uses less digits than its factorization.

128453858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380069 (or 380056 counting only the distinct ones).

The product of its digits is 307200, while the sum is 44.

The square root of 128453858 is about 11333.7486296459. The cubic root of 128453858 is about 504.5633686281.

The spelling of 128453858 in words is "one hundred twenty-eight million, four hundred fifty-three thousand, eight hundred fifty-eight".