128571748 has 24 divisors (see below), whose sum is σ = 248596992. Its totient is φ = 57873024.

The previous prime is 128571733. The next prime is 128571749. The reversal of 128571748 is 847175821.

It is not an unprimeable number, because it can be changed into a prime (128571749) 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, 39540 + ... + 42667.

It is an arithmetic number, because the mean of its divisors is an integer number (10358208).

Almost surely, 2^128571748 is an apocalyptic number.

It is an amenable number.

128571748 is a deficient number, since it is larger than the sum of its proper divisors (120025244).

128571748 is a wasteful number, since it uses less digits than its factorization.

128571748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82251 (or 82249 counting only the distinct ones).

The product of its digits is 125440, while the sum is 43.

The square root of 128571748 is about 11338.9482757441. The cubic root of 128571748 is about 504.7176777023.

The spelling of 128571748 in words is "one hundred twenty-eight million, five hundred seventy-one thousand, seven hundred forty-eight".