340322121 has 8 divisors (see below), whose sum is σ = 504180960. Its totient is φ = 226881396.

The previous prime is 340322117. The next prime is 340322153. The reversal of 340322121 is 121223043.

340322121 is a `hidden beast` number, since 340 + 322 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 340322121 - 2² = 340322117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340322094 and 340322103.

It is not an unprimeable number, because it can be changed into a prime (340322621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6302235 + ... + 6302288.

It is an arithmetic number, because the mean of its divisors is an integer number (63022620).

Almost surely, 2^340322121 is an apocalyptic number.

It is an amenable number.

340322121 is a deficient number, since it is larger than the sum of its proper divisors (163858839).

340322121 is a wasteful number, since it uses less digits than its factorization.

340322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604532 (or 12604526 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 340322121 is about 18447.8215787122. The cubic root of 340322121 is about 698.1735521621.

Adding to 340322121 its reverse (121223043), we get a palindrome (461545164).

The spelling of 340322121 in words is "three hundred forty million, three hundred twenty-two thousand, one hundred twenty-one".