128894116 has 48 divisors (see below), whose sum is σ = 258983424. Its totient is φ = 55668096.

The previous prime is 128894113. The next prime is 128894137. The reversal of 128894116 is 611498821.

It is a super-2 number, since 2×128894116² = 33227386278842912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (128894113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55066 + ... + 57358.

It is an arithmetic number, because the mean of its divisors is an integer number (5395488).

Almost surely, 2^128894116 is an apocalyptic number.

It is an amenable number.

128894116 is an abundant number, since it is smaller than the sum of its proper divisors (130089308).

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

128894116 is a wasteful number, since it uses less digits than its factorization.

128894116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2378 counting only the distinct ones).

The product of its digits is 27648, while the sum is 40.

The square root of 128894116 is about 11353.1544515170. The cubic root of 128894116 is about 505.1391519289.

The spelling of 128894116 in words is "one hundred twenty-eight million, eight hundred ninety-four thousand, one hundred sixteen".