120343235849 has 2 divisors, whose sum is σ = 120343235850. Its totient is φ = 120343235848.

The previous prime is 120343235843. The next prime is 120343235867. The reversal of 120343235849 is 948532343021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66702359824 + 53640876025 = 258268^2 + 231605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120343235849 is a prime.

It is not a weakly prime, because it can be changed into another prime (120343235843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60171617924 + 60171617925.

It is an arithmetic number, because the mean of its divisors is an integer number (60171617925).

Almost surely, 2^120343235849 is an apocalyptic number.

It is an amenable number.

120343235849 is a deficient number, since it is larger than the sum of its proper divisors (1).

120343235849 is an equidigital number, since it uses as much as digits as its factorization.

120343235849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 120343235849 in words is "one hundred twenty billion, three hundred forty-three million, two hundred thirty-five thousand, eight hundred forty-nine".