128054745 has 48 divisors (see below), whose sum is σ = 273192192. Its totient is φ = 54034560.

The previous prime is 128054681. The next prime is 128054753. The reversal of 128054745 is 547450821.

It is not a de Polignac number, because 128054745 - 2⁶ = 128054681 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11541 + ... + 19730.

It is an arithmetic number, because the mean of its divisors is an integer number (5691504).

Almost surely, 2^128054745 is an apocalyptic number.

128054745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128054745 is an abundant number, since it is smaller than the sum of its proper divisors (145137447).

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

128054745 is a wasteful number, since it uses less digits than its factorization.

128054745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31302 (or 31299 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 128054745 is about 11316.1276503935. The cubic root of 128054745 is about 504.0402580276.

The spelling of 128054745 in words is "one hundred twenty-eight million, fifty-four thousand, seven hundred forty-five".