6340121 has 4 divisors (see below), whose sum is σ = 6416592. Its totient is φ = 6263652.

The previous prime is 6340109. The next prime is 6340127. The reversal of 6340121 is 1210436.

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 a de Polignac number, because none of the positive numbers 2^k-6340121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6340121.

It is not an unprimeable number, because it can be changed into a prime (6340127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38111 + ... + 38276.

It is an arithmetic number, because the mean of its divisors is an integer number (1604148).

Almost surely, 2^6340121 is an apocalyptic number.

It is an amenable number.

6340121 is a deficient number, since it is larger than the sum of its proper divisors (76471).

6340121 is an equidigital number, since it uses as much as digits as its factorization.

6340121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76470.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6340121 is about 2517.9596899077. The cubic root of 6340121 is about 185.0827095471.

Adding to 6340121 its reverse (1210436), we get a palindrome (7550557).

The spelling of 6340121 in words is "six million, three hundred forty thousand, one hundred twenty-one".