340330121 has 4 divisors (see below), whose sum is σ = 351308544. Its totient is φ = 329351700.

The previous prime is 340330093. The next prime is 340330141. The reversal of 340330121 is 121033043.

It is a happy number.

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 340330121 - 2¹⁰ = 340329097 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 340330121.

It is not an unprimeable number, because it can be changed into a prime (340330141) 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, 5489165 + ... + 5489226.

It is an arithmetic number, because the mean of its divisors is an integer number (87827136).

Almost surely, 2^340330121 is an apocalyptic number.

340330121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

340330121 is a deficient number, since it is larger than the sum of its proper divisors (10978423).

340330121 is a wasteful number, since it uses less digits than its factorization.

340330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978422.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 340330121 is about 18448.0384052072. The cubic root of 340330121 is about 698.1790228072.

Adding to 340330121 its reverse (121033043), we get a palindrome (461363164).

The spelling of 340330121 in words is "three hundred forty million, three hundred thirty thousand, one hundred twenty-one".