128751545 has 16 divisors (see below), whose sum is σ = 168010752. Its totient is φ = 94150080.

The previous prime is 128751533. The next prime is 128751551. The reversal of 128751545 is 545157821.

It is not a de Polignac number, because 128751545 - 2⁴ = 128751529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128751499 and 128751508.

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 15 ways as a sum of consecutive naturals, for example, 2921 + ... + 16310.

It is an arithmetic number, because the mean of its divisors is an integer number (10500672).

Almost surely, 2^128751545 is an apocalyptic number.

It is an amenable number.

128751545 is a deficient number, since it is larger than the sum of its proper divisors (39259207).

128751545 is a wasteful number, since it uses less digits than its factorization.

128751545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19352.

The product of its digits is 56000, while the sum is 38.

The square root of 128751545 is about 11346.8737985403. The cubic root of 128751545 is about 504.9528368202.

The spelling of 128751545 in words is "one hundred twenty-eight million, seven hundred fifty-one thousand, five hundred forty-five".