128883144 has 32 divisors (see below), whose sum is σ = 346993920. Its totient is φ = 39656256.

The previous prime is 128883133. The next prime is 128883149. The reversal of 128883144 is 441388821.

It is a happy number.

It is a super-2 number, since 2×128883144² = 33221729614649472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (128883149) 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, 206232 + ... + 206855.

It is an arithmetic number, because the mean of its divisors is an integer number (10843560).

Almost surely, 2^128883144 is an apocalyptic number.

It is an amenable number.

128883144 is an abundant number, since it is smaller than the sum of its proper divisors (218110776).

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

128883144 is a wasteful number, since it uses less digits than its factorization.

128883144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413109 (or 413105 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 128883144 is about 11352.6712275129. The cubic root of 128883144 is about 505.1248183445.

The spelling of 128883144 in words is "one hundred twenty-eight million, eight hundred eighty-three thousand, one hundred forty-four".