284129 has 2 divisors, whose sum is σ = 284130. Its totient is φ = 284128.

The previous prime is 284117. The next prime is 284131. The reversal of 284129 is 921482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277729 + 6400 = 527^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 284129 - 2⁸ = 283873 is a prime.

Together with 284131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 284098 and 284107.

It is not a weakly prime, because it can be changed into another prime (284149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142064 + 142065.

It is an arithmetic number, because the mean of its divisors is an integer number (142065).

2²⁸⁴¹²⁹ is an apocalyptic number.

It is an amenable number.

284129 is a deficient number, since it is larger than the sum of its proper divisors (1).

284129 is an equidigital number, since it uses as much as digits as its factorization.

284129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 284129 is about 533.0375221314. The cubic root of 284129 is about 65.7413352950.

The spelling of 284129 in words is "two hundred eighty-four thousand, one hundred twenty-nine".