128027590 has 8 divisors (see below), whose sum is σ = 230449680. Its totient is φ = 51211032.

The previous prime is 128027587. The next prime is 128027609. The reversal of 128027590 is 95720821.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6401370 + ... + 6401389.

It is an arithmetic number, because the mean of its divisors is an integer number (28806210).

Almost surely, 2^128027590 is an apocalyptic number.

128027590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128027590 is a deficient number, since it is larger than the sum of its proper divisors (102422090).

128027590 is a wasteful number, since it uses less digits than its factorization.

128027590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12802766.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 128027590 is about 11314.9277505426. The cubic root of 128027590 is about 504.0046269626.

The spelling of 128027590 in words is "one hundred twenty-eight million, twenty-seven thousand, five hundred ninety".