128498268 has 24 divisors (see below), whose sum is σ = 302743168. Its totient is φ = 42416496.

The previous prime is 128498267. The next prime is 128498281. The reversal of 128498268 is 862894821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128498261) 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, 50746 + ... + 53217.

Almost surely, 2^128498268 is an apocalyptic number.

It is an amenable number.

128498268 is an abundant number, since it is smaller than the sum of its proper divisors (174244900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128498268 is a wasteful number, since it uses less digits than its factorization.

128498268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104073 (or 104071 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 128498268 is about 11335.7076532522. The cubic root of 128498268 is about 504.6215090315.

The spelling of 128498268 in words is "one hundred twenty-eight million, four hundred ninety-eight thousand, two hundred sixty-eight".