128064526 has 4 divisors (see below), whose sum is σ = 192096792. Its totient is φ = 64032262.

The previous prime is 128064523. The next prime is 128064527. The reversal of 128064526 is 625460821.

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

It is a junction number, because it is equal to n+sod(n) for n = 128064491 and 128064500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128064523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32016130 + ... + 32016133.

It is an arithmetic number, because the mean of its divisors is an integer number (48024198).

Almost surely, 2^128064526 is an apocalyptic number.

128064526 is a deficient number, since it is larger than the sum of its proper divisors (64032266).

128064526 is an equidigital number, since it uses as much as digits as its factorization.

128064526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64032265.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 128064526 is about 11316.5598129467. The cubic root of 128064526 is about 504.0530908002.

The spelling of 128064526 in words is "one hundred twenty-eight million, sixty-four thousand, five hundred twenty-six".