6228129 has 4 divisors (see below), whose sum is σ = 8304176. Its totient is φ = 4152084.

The previous prime is 6228121. The next prime is 6228139. The reversal of 6228129 is 9218226.

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 not a de Polignac number, because 6228129 - 2³ = 6228121 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6228096 and 6228105.

It is not an unprimeable number, because it can be changed into a prime (6228121) 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, 1038019 + ... + 1038024.

It is an arithmetic number, because the mean of its divisors is an integer number (2076044).

Almost surely, 2^6228129 is an apocalyptic number.

It is an amenable number.

6228129 is a deficient number, since it is larger than the sum of its proper divisors (2076047).

6228129 is a wasteful number, since it uses less digits than its factorization.

6228129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076046.

The product of its digits is 3456, while the sum is 30.

The square root of 6228129 is about 2495.6219665646. The cubic root of 6228129 is about 183.9864612754.

The spelling of 6228129 in words is "six million, two hundred twenty-eight thousand, one hundred twenty-nine".