128606460 has 24 divisors (see below), whose sum is σ = 360098256. Its totient is φ = 34295040.

The previous prime is 128606453. The next prime is 128606477. The reversal of 128606460 is 64606821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071661 + ... + 1071780.

It is an arithmetic number, because the mean of its divisors is an integer number (15004094).

Almost surely, 2^128606460 is an apocalyptic number.

128606460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128606460 is an abundant number, since it is smaller than the sum of its proper divisors (231491796).

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

128606460 is a wasteful number, since it uses less digits than its factorization.

128606460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143453 (or 2143451 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 128606460 is about 11340.4788258697. The cubic root of 128606460 is about 504.7630951025.

The spelling of 128606460 in words is "one hundred twenty-eight million, six hundred six thousand, four hundred sixty".