128612160 has 84 divisors (see below), whose sum is σ = 442382148. Its totient is φ = 34295808.

The previous prime is 128612147. The next prime is 128612161. The reversal of 128612160 is 61216821.

It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 72182016 = 7512^2 + 8496^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128612161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19449 + ... + 25208.

Almost surely, 2^128612160 is an apocalyptic number.

128612160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128612160 is an abundant number, since it is smaller than the sum of its proper divisors (313769988).

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

128612160 is a wasteful number, since it uses less digits than its factorization.

128612160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44680 (or 44667 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 128612160 is about 11340.7301352250. The cubic root of 128612160 is about 504.7705522373.

Adding to 128612160 its reverse (61216821), we get a palindrome (189828981).

The spelling of 128612160 in words is "one hundred twenty-eight million, six hundred twelve thousand, one hundred sixty".