6842129 has 4 divisors (see below), whose sum is σ = 7819584. Its totient is φ = 5864676.

The previous prime is 6842113. The next prime is 6842131. The reversal of 6842129 is 9212486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6842129 - 2⁴ = 6842113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6842095 and 6842104.

It is not an unprimeable number, because it can be changed into a prime (6842149) 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, 488717 + ... + 488730.

It is an arithmetic number, because the mean of its divisors is an integer number (1954896).

Almost surely, 2^6842129 is an apocalyptic number.

It is an amenable number.

6842129 is a deficient number, since it is larger than the sum of its proper divisors (977455).

6842129 is an equidigital number, since it uses as much as digits as its factorization.

6842129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977454.

The product of its digits is 6912, while the sum is 32.

The square root of 6842129 is about 2615.7463562051. The cubic root of 6842129 is about 189.8440918615.

The spelling of 6842129 in words is "six million, eight hundred forty-two thousand, one hundred twenty-nine".