343129 has 4 divisors (see below), whose sum is σ = 351540. Its totient is φ = 334720.

The previous prime is 343127. The next prime is 343141. The reversal of 343129 is 921343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 921343 = 241 ⋅3823.

It can be written as a sum of positive squares in 2 ways, for example, as 115600 + 227529 = 340^2 + 477^2 .

It is a cyclic number.

It is not a de Polignac number, because 343129 - 2¹ = 343127 is a prime.

It is a Duffinian number.

343129 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (343127) 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, 4144 + ... + 4225.

It is an arithmetic number, because the mean of its divisors is an integer number (87885).

2³⁴³¹²⁹ is an apocalyptic number.

It is an amenable number.

343129 is a deficient number, since it is larger than the sum of its proper divisors (8411).

343129 is an equidigital number, since it uses as much as digits as its factorization.

343129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410.

The product of its digits is 648, while the sum is 22.

The square root of 343129 is about 585.7721399998. The cubic root of 343129 is about 70.0087744103.

It can be divided in two parts, 3431 and 29, that multiplied together give a palindrome (99499).

The spelling of 343129 in words is "three hundred forty-three thousand, one hundred twenty-nine".