282282129 has 12 divisors (see below), whose sum is σ = 408794100. Its totient is φ = 187701984.

The previous prime is 282282103. The next prime is 282282131. The reversal of 282282129 is 921282282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109307025 + 172975104 = 10455^2 + 13152^2 .

It is not a de Polignac number, because 282282129 - 2¹⁶ = 282216593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 282282093 and 282282102.

It is not an unprimeable number, because it can be changed into a prime (282282149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36814 + ... + 43815.

It is an arithmetic number, because the mean of its divisors is an integer number (34066175).

Almost surely, 2^282282129 is an apocalyptic number.

It is an amenable number.

282282129 is a deficient number, since it is larger than the sum of its proper divisors (126511971).

282282129 is a wasteful number, since it uses less digits than its factorization.

282282129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81024 (or 81021 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 282282129 is about 16801.2537925001. The cubic root of 282282129 is about 655.9858347935.

The spelling of 282282129 in words is "two hundred eighty-two million, two hundred eighty-two thousand, one hundred twenty-nine".