128244470 has 8 divisors (see below), whose sum is σ = 230840064. Its totient is φ = 51297784.

The previous prime is 128244469. The next prime is 128244511. The reversal of 128244470 is 74442821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6412214 + ... + 6412233.

It is an arithmetic number, because the mean of its divisors is an integer number (28855008).

Almost surely, 2^128244470 is an apocalyptic number.

128244470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128244470 is a deficient number, since it is larger than the sum of its proper divisors (102595594).

128244470 is a wasteful number, since it uses less digits than its factorization.

128244470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824454.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 128244470 is about 11324.5074948097. The cubic root of 128244470 is about 504.2890626802.

The spelling of 128244470 in words is "one hundred twenty-eight million, two hundred forty-four thousand, four hundred seventy".