340232121 has 12 divisors (see below), whose sum is σ = 492790272. Its totient is φ = 226201176.

The previous prime is 340232083. The next prime is 340232129. The reversal of 340232121 is 121232043.

340232121 is a `hidden beast` number, since 340 + 2 + 321 + 2 + 1 = 666.

It is not a de Polignac number, because 340232121 - 2¹¹ = 340230073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340232094 and 340232103.

It is not an unprimeable number, because it can be changed into a prime (340232129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48201 + ... + 54806.

It is an arithmetic number, because the mean of its divisors is an integer number (41065856).

Almost surely, 2^340232121 is an apocalyptic number.

It is an amenable number.

340232121 is a deficient number, since it is larger than the sum of its proper divisors (152558151).

340232121 is a wasteful number, since it uses less digits than its factorization.

340232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103380 (or 103377 counting only the distinct ones).

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

The square root of 340232121 is about 18445.3821050148. The cubic root of 340232121 is about 698.1120014961.

Adding to 340232121 its reverse (121232043), we get a palindrome (461464164).

The spelling of 340232121 in words is "three hundred forty million, two hundred thirty-two thousand, one hundred twenty-one".