340121003129 has 2 divisors, whose sum is σ = 340121003130. Its totient is φ = 340121003128.

The previous prime is 340121003119. The next prime is 340121003179. The reversal of 340121003129 is 921300121043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337156745104 + 2964258025 = 580652^2 + 54445^2 .

It is a cyclic number.

It is not a de Polignac number, because 340121003129 - 2³² = 335826035833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340121003098 and 340121003107.

It is not a weakly prime, because it can be changed into another prime (340121003119) 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 as a sum of consecutive naturals, namely, 170060501564 + 170060501565.

It is an arithmetic number, because the mean of its divisors is an integer number (170060501565).

Almost surely, 2^340121003129 is an apocalyptic number.

It is an amenable number.

340121003129 is a deficient number, since it is larger than the sum of its proper divisors (1).

340121003129 is an equidigital number, since it uses as much as digits as its factorization.

340121003129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 340121003129 in words is "three hundred forty billion, one hundred twenty-one million, three thousand, one hundred twenty-nine".