128524001 has 4 divisors (see below), whose sum is σ = 128673792. Its totient is φ = 128374212.

The previous prime is 128523943. The next prime is 128524021. The reversal of 128524001 is 100425821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100425821 = 3803 ⋅26407.

It is a cyclic number.

It is not a de Polignac number, because 128524001 - 2¹⁸ = 128261857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128524021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73601 + ... + 75326.

It is an arithmetic number, because the mean of its divisors is an integer number (32168448).

Almost surely, 2^128524001 is an apocalyptic number.

It is an amenable number.

128524001 is a deficient number, since it is larger than the sum of its proper divisors (149791).

128524001 is an equidigital number, since it uses as much as digits as its factorization.

128524001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149790.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 128524001 is about 11336.8426380540. The cubic root of 128524001 is about 504.6551918683.

Adding to 128524001 its reverse (100425821), we get a palindrome (228949822).

The spelling of 128524001 in words is "one hundred twenty-eight million, five hundred twenty-four thousand, one".