120603105 has 24 divisors (see below), whose sum is σ = 238909632. Its totient is φ = 55132704.

The previous prime is 120603101. The next prime is 120603157. The reversal of 120603105 is 501306021.

It is not a de Polignac number, because 120603105 - 2² = 120603101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120603101) 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 in 23 ways as a sum of consecutive naturals, for example, 191119 + ... + 191748.

It is an arithmetic number, because the mean of its divisors is an integer number (9954568).

Almost surely, 2^120603105 is an apocalyptic number.

120603105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120603105 is a deficient number, since it is larger than the sum of its proper divisors (118306527).

120603105 is a wasteful number, since it uses less digits than its factorization.

120603105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382885 (or 382882 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 120603105 is about 10981.9444999508. The cubic root of 120603105 is about 494.0673592905.

Adding to 120603105 its reverse (501306021), we get a palindrome (621909126).

The spelling of 120603105 in words is "one hundred twenty million, six hundred three thousand, one hundred five".