6129 has 8 divisors (see below), whose sum is σ = 9120. Its totient is φ = 4068.

The previous prime is 6121. The next prime is 6131. The reversal of 6129 is 9216.

It is not a de Polignac number, because 6129 - 2³ = 6121 is a prime.

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

It is a plaindrome in base 12 and base 14.

It is not an unprimeable number, because it can be changed into a prime (6121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 140.

It is an arithmetic number, because the mean of its divisors is an integer number (1140).

It is an amenable number.

6129 is a deficient number, since it is larger than the sum of its proper divisors (2991).

6129 is a wasteful number, since it uses less digits than its factorization.

6129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 230 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 6129 is about 78.2879301042. The cubic root of 6129 is about 18.3005106012.

The spelling of 6129 in words is "six thousand, one hundred twenty-nine".