128240060 has 24 divisors (see below), whose sum is σ = 290020416. Its totient is φ = 47350080.

The previous prime is 128240051. The next prime is 128240069. The reversal of 128240060 is 60042821.

It is an interprime number because it is at equal distance from previous prime (128240051) and next prime (128240069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128240069) 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, 246356 + ... + 246875.

It is an arithmetic number, because the mean of its divisors is an integer number (12084184).

Almost surely, 2^128240060 is an apocalyptic number.

128240060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128240060 is an abundant number, since it is smaller than the sum of its proper divisors (161780356).

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

128240060 is a wasteful number, since it uses less digits than its factorization.

128240060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493253 (or 493251 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 128240060 is about 11324.3127826813. The cubic root of 128240060 is about 504.2832822093.

Adding to 128240060 its reverse (60042821), we get a palindrome (188282881).

The spelling of 128240060 in words is "one hundred twenty-eight million, two hundred forty thousand, sixty".