6434121 has 4 divisors (see below), whose sum is σ = 8578832. Its totient is φ = 4289412.

The previous prime is 6434117. The next prime is 6434123. The reversal of 6434121 is 1214346.

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 6434121 - 2² = 6434117 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6434123) 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, 1072351 + ... + 1072356.

It is an arithmetic number, because the mean of its divisors is an integer number (2144708).

Almost surely, 2^6434121 is an apocalyptic number.

It is an amenable number.

6434121 is a deficient number, since it is larger than the sum of its proper divisors (2144711).

6434121 is a wasteful number, since it uses less digits than its factorization.

6434121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144710.

The product of its digits is 576, while the sum is 21.

The square root of 6434121 is about 2536.5569183442. The cubic root of 6434121 is about 185.9929179868.

Adding to 6434121 its reverse (1214346), we get a palindrome (7648467).

It can be divided in two parts, 6434 and 121, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 6434121 in words is "six million, four hundred thirty-four thousand, one hundred twenty-one".