629129 has 4 divisors (see below), whose sum is σ = 635460. Its totient is φ = 622800.

The previous prime is 629113. The next prime is 629137. The reversal of 629129 is 921926.

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 490000 + 139129 = 700^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 629129 - 2⁴ = 629113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629029) 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, 3014 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (158865).

2⁶²⁹¹²⁹ is an apocalyptic number.

It is an amenable number.

629129 is a deficient number, since it is larger than the sum of its proper divisors (6331).

629129 is a wasteful number, since it uses less digits than its factorization.

629129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330.

The product of its digits is 1944, while the sum is 29.

The square root of 629129 is about 793.1765251191. The cubic root of 629129 is about 85.6866639834.

The spelling of 629129 in words is "six hundred twenty-nine thousand, one hundred twenty-nine".