128695283 has 4 divisors (see below), whose sum is σ = 128759208. Its totient is φ = 128631360.

The previous prime is 128695267. The next prime is 128695297. The reversal of 128695283 is 382596821.

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 128695283 - 2⁴ = 128695267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128692283) 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, 28841 + ... + 33002.

It is an arithmetic number, because the mean of its divisors is an integer number (32189802).

Almost surely, 2^128695283 is an apocalyptic number.

128695283 is a deficient number, since it is larger than the sum of its proper divisors (63925).

128695283 is an equidigital number, since it uses as much as digits as its factorization.

128695283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63924.

The product of its digits is 207360, while the sum is 44.

The square root of 128695283 is about 11344.3943425817. The cubic root of 128695283 is about 504.8792744779.

It can be divided in two parts, 1286 and 95283, that added together give a palindrome (96569).

The spelling of 128695283 in words is "one hundred twenty-eight million, six hundred ninety-five thousand, two hundred eighty-three".