128048527 has 4 divisors (see below), whose sum is σ = 131509336. Its totient is φ = 124587720.

The previous prime is 128048509. The next prime is 128048563. The reversal of 128048527 is 725840821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 128048527 - 2¹⁹ = 127524239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3460771 = 128048527 / (1 + 2 + 8 + 0 + 4 + 8 + 5 + 2 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128048587) by changing a digit.

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, 1730349 + ... + 1730422.

It is an arithmetic number, because the mean of its divisors is an integer number (32877334).

Almost surely, 2^128048527 is an apocalyptic number.

128048527 is a deficient number, since it is larger than the sum of its proper divisors (3460809).

128048527 is an equidigital number, since it uses as much as digits as its factorization.

128048527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460808.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 128048527 is about 11315.8529064318. The cubic root of 128048527 is about 504.0320996079.

The spelling of 128048527 in words is "one hundred twenty-eight million, forty-eight thousand, five hundred twenty-seven".