120842459 has 2 divisors, whose sum is σ = 120842460. Its totient is φ = 120842458.

The previous prime is 120842441. The next prime is 120842531. The reversal of 120842459 is 954248021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120842459 is a prime.

It is not a weakly prime, because it can be changed into another prime (120842419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60421229 + 60421230.

It is an arithmetic number, because the mean of its divisors is an integer number (60421230).

Almost surely, 2^120842459 is an apocalyptic number.

120842459 is a deficient number, since it is larger than the sum of its proper divisors (1).

120842459 is an equidigital number, since it uses as much as digits as its factorization.

120842459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 120842459 is about 10992.8367130600. The cubic root of 120842459 is about 494.3939922636.

The spelling of 120842459 in words is "one hundred twenty million, eight hundred forty-two thousand, four hundred fifty-nine".