6433121 has 8 divisors (see below), whose sum is σ = 6588864. Its totient is φ = 6279120.

The previous prime is 6433111. The next prime is 6433129. The reversal of 6433121 is 1213346.

6433121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6433121 - 2⁶ = 6433057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6433093 and 6433102.

It is not an unprimeable number, because it can be changed into a prime (6433129) 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, 9620 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (823608).

Almost surely, 2^6433121 is an apocalyptic number.

6433121 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6433121 is a deficient number, since it is larger than the sum of its proper divisors (155743).

6433121 is a wasteful number, since it uses less digits than its factorization.

6433121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its digits is 432, while the sum is 20.

The square root of 6433121 is about 2536.3597930893. The cubic root of 6433121 is about 185.9832817286.

Adding to 6433121 its reverse (1213346), we get a palindrome (7646467).

The spelling of 6433121 in words is "six million, four hundred thirty-three thousand, one hundred twenty-one".