299129 has 4 divisors (see below), whose sum is σ = 302580. Its totient is φ = 295680.

The previous prime is 299113. The next prime is 299137. The reversal of 299129 is 921992.

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

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 160000 = 373^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 299129 - 2⁴ = 299113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 299095 and 299104.

It is not an unprimeable number, because it can be changed into a prime (299179) 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, 1592 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (75645).

2²⁹⁹¹²⁹ is an apocalyptic number.

It is an amenable number.

299129 is a deficient number, since it is larger than the sum of its proper divisors (3451).

299129 is an equidigital number, since it uses as much as digits as its factorization.

299129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450.

The product of its digits is 2916, while the sum is 32.

The square root of 299129 is about 546.9268689688. The cubic root of 299129 is about 66.8784459749.

The spelling of 299129 in words is "two hundred ninety-nine thousand, one hundred twenty-nine".