128886283 has 4 divisors (see below), whose sum is σ = 128913408. Its totient is φ = 128859160.

The previous prime is 128886259. The next prime is 128886293. The reversal of 128886283 is 382688821.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128886283 is a prime.

It is a super-2 number, since 2×128886283² = 33223347891112178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128886223) 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, 4348 + ... + 16633.

It is an arithmetic number, because the mean of its divisors is an integer number (32228352).

Almost surely, 2^128886283 is an apocalyptic number.

128886283 is a deficient number, since it is larger than the sum of its proper divisors (27125).

128886283 is an equidigital number, since it uses as much as digits as its factorization.

128886283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27124.

The product of its digits is 294912, while the sum is 46.

The square root of 128886283 is about 11352.8094760724. The cubic root of 128886283 is about 505.1289191495.

It can be divided in two parts, 1288 and 86283, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 128886283 in words is "one hundred twenty-eight million, eight hundred eighty-six thousand, two hundred eighty-three".