128270544 has 20 divisors (see below), whose sum is σ = 331365696. Its totient is φ = 42756832.

The previous prime is 128270531. The next prime is 128270551. The reversal of 128270544 is 445072821.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1336104 + ... + 1336199.

Almost surely, 2^128270544 is an apocalyptic number.

It is an amenable number.

128270544 is an abundant number, since it is smaller than the sum of its proper divisors (203095152).

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

128270544 is a wasteful number, since it uses less digits than its factorization.

128270544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672314 (or 2672308 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 128270544 is about 11325.6586563431. The cubic root of 128270544 is about 504.3232368425.

The spelling of 128270544 in words is "one hundred twenty-eight million, two hundred seventy thousand, five hundred forty-four".