120071603 has 2 divisors, whose sum is σ = 120071604. Its totient is φ = 120071602.

The previous prime is 120071597. The next prime is 120071617. The reversal of 120071603 is 306170021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (306170021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120071603 - 2¹⁰ = 120070579 is a prime.

It is not a weakly prime, because it can be changed into another prime (120071683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60035801 + 60035802.

It is an arithmetic number, because the mean of its divisors is an integer number (60035802).

Almost surely, 2^120071603 is an apocalyptic number.

120071603 is a deficient number, since it is larger than the sum of its proper divisors (1).

120071603 is an equidigital number, since it uses as much as digits as its factorization.

120071603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 120071603 is about 10957.7188775767. The cubic root of 120071603 is about 493.3404999060.

The spelling of 120071603 in words is "one hundred twenty million, seventy-one thousand, six hundred three".