128885084 has 6 divisors (see below), whose sum is σ = 225548904. Its totient is φ = 64442540.

The previous prime is 128885063. The next prime is 128885101. The reversal of 128885084 is 480588821.

It is a happy number.

It is a super-2 number, since 2×128885084² = 33222729755374112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110632 + ... + 16110639.

It is an arithmetic number, because the mean of its divisors is an integer number (37591484).

Almost surely, 2^128885084 is an apocalyptic number.

It is an amenable number.

128885084 is a deficient number, since it is larger than the sum of its proper divisors (96663820).

128885084 is a wasteful number, since it uses less digits than its factorization.

128885084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32221275 (or 32221273 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 44.

The square root of 128885084 is about 11352.7566696376. The cubic root of 128885084 is about 505.1273527779.

The spelling of 128885084 in words is "one hundred twenty-eight million, eight hundred eighty-five thousand, eighty-four".