120859903 has 2 divisors, whose sum is σ = 120859904. Its totient is φ = 120859902.

The previous prime is 120859897. The next prime is 120859913. The reversal of 120859903 is 309958021.

It is a weak prime.

It is an emirp because it is prime and its reverse (309958021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120859903 - 2⁹ = 120859391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120859913) 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, 60429951 + 60429952.

It is an arithmetic number, because the mean of its divisors is an integer number (60429952).

Almost surely, 2^120859903 is an apocalyptic number.

120859903 is a deficient number, since it is larger than the sum of its proper divisors (1).

120859903 is an equidigital number, since it uses as much as digits as its factorization.

120859903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 120859903 is about 10993.6301102047. The cubic root of 120859903 is about 494.4177802432.

The spelling of 120859903 in words is "one hundred twenty million, eight hundred fifty-nine thousand, nine hundred three".