630129 has 16 divisors (see below), whose sum is σ = 887040. Its totient is φ = 397440.

The previous prime is 630127. The next prime is 630151. The reversal of 630129 is 921036.

It is not a de Polignac number, because 630129 - 2¹ = 630127 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (630127) 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 15 ways as a sum of consecutive naturals, for example, 5727 + ... + 5835.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2⁶³⁰¹²⁹ is an apocalyptic number.

It is an amenable number.

630129 is a deficient number, since it is larger than the sum of its proper divisors (256911).

630129 is a wasteful number, since it uses less digits than its factorization.

630129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 630129 is about 793.8066515216. The cubic root of 630129 is about 85.7320395764.

It can be divided in two parts, 6 and 30129, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 630129 in words is "six hundred thirty thousand, one hundred twenty-nine".