340121545241 has 4 divisors (see below), whose sum is σ = 343241926500. Its totient is φ = 337001163984.

The previous prime is 340121545217. The next prime is 340121545243. The reversal of 340121545241 is 142545121043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168609605641 + 171511939600 = 410621^2 + 414140^2 .

It is a cyclic number.

It is not a de Polignac number, because 340121545241 - 2²⁶ = 340054436377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340121545198 and 340121545207.

It is not an unprimeable number, because it can be changed into a prime (340121545243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560190466 + ... + 1560190683.

It is an arithmetic number, because the mean of its divisors is an integer number (85810481625).

Almost surely, 2^340121545241 is an apocalyptic number.

It is an amenable number.

340121545241 is a deficient number, since it is larger than the sum of its proper divisors (3120381259).

340121545241 is a wasteful number, since it uses less digits than its factorization.

340121545241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120381258.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 340121545241 its reverse (142545121043), we get a palindrome (482666666284).

The spelling of 340121545241 in words is "three hundred forty billion, one hundred twenty-one million, five hundred forty-five thousand, two hundred forty-one".