128483501 has 8 divisors (see below), whose sum is σ = 138609144. Its totient is φ = 118643200.

The previous prime is 128483489. The next prime is 128483503. The reversal of 128483501 is 105384821.

It can be written as a sum of positive squares in 4 ways, for example, as 85581001 + 42902500 = 9251^2 + 6550^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 128483501 - 2¹⁰ = 128482477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128483503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70400 + ... + 72201.

It is an arithmetic number, because the mean of its divisors is an integer number (17326143).

Almost surely, 2^128483501 is an apocalyptic number.

It is an amenable number.

128483501 is a deficient number, since it is larger than the sum of its proper divisors (10125643).

128483501 is a wasteful number, since it uses less digits than its factorization.

128483501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142671.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 128483501 is about 11335.0562857006. The cubic root of 128483501 is about 504.6021779505.

The spelling of 128483501 in words is "one hundred twenty-eight million, four hundred eighty-three thousand, five hundred one".