128259044 has 24 divisors (see below), whose sum is σ = 237313440. Its totient is φ = 60485184.

The previous prime is 128259037. The next prime is 128259071. The reversal of 128259044 is 440952821.

It is a junction number, because it is equal to n+sod(n) for n = 128258995 and 128259013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14087 + ... + 21329.

It is an arithmetic number, because the mean of its divisors is an integer number (9888060).

Almost surely, 2^128259044 is an apocalyptic number.

It is an amenable number.

128259044 is a deficient number, since it is larger than the sum of its proper divisors (109054396).

128259044 is a wasteful number, since it uses less digits than its factorization.

128259044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 128259044 is about 11325.1509482214. The cubic root of 128259044 is about 504.3081648175.

The spelling of 128259044 in words is "one hundred twenty-eight million, two hundred fifty-nine thousand, forty-four".