128060490 has 32 divisors (see below), whose sum is σ = 325425600. Its totient is φ = 32140544.

The previous prime is 128060453. The next prime is 128060509. The reversal of 128060490 is 94060821.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125040 + ... + 126059.

It is an arithmetic number, because the mean of its divisors is an integer number (10169550).

Almost surely, 2^128060490 is an apocalyptic number.

128060490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128060490 is an abundant number, since it is smaller than the sum of its proper divisors (197365110).

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

128060490 is a wasteful number, since it uses less digits than its factorization.

128060490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251126.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 128060490 is about 11316.3814887976. The cubic root of 128060490 is about 504.0477956059.

The spelling of 128060490 in words is "one hundred twenty-eight million, sixty thousand, four hundred ninety".