128407230 has 48 divisors (see below), whose sum is σ = 381554784. Its totient is φ = 29350080.

The previous prime is 128407207. The next prime is 128407231. The reversal of 128407230 is 32704821.

128407230 is a `hidden beast` number, since 1 + 28 + 407 + 230 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 128407194 and 128407203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128407231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101281 + ... + 102540.

It is an arithmetic number, because the mean of its divisors is an integer number (7949058).

Almost surely, 2^128407230 is an apocalyptic number.

128407230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128407230 is an abundant number, since it is smaller than the sum of its proper divisors (253147554).

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

128407230 is a wasteful number, since it uses less digits than its factorization.

128407230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203841 (or 203838 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 128407230 is about 11331.6914006692. The cubic root of 128407230 is about 504.5023100545.

The spelling of 128407230 in words is "one hundred twenty-eight million, four hundred seven thousand, two hundred thirty".