120566603 has 4 divisors (see below), whose sum is σ = 120700440. Its totient is φ = 120432768.

The previous prime is 120566569. The next prime is 120566627. The reversal of 120566603 is 306665021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120566603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120566503) 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 in 3 ways as a sum of consecutive naturals, for example, 65558 + ... + 67371.

It is an arithmetic number, because the mean of its divisors is an integer number (30175110).

Almost surely, 2^120566603 is an apocalyptic number.

120566603 is a deficient number, since it is larger than the sum of its proper divisors (133837).

120566603 is an equidigital number, since it uses as much as digits as its factorization.

120566603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133836.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 120566603 is about 10980.2824644906. The cubic root of 120566603 is about 494.0175090911.

The spelling of 120566603 in words is "one hundred twenty million, five hundred sixty-six thousand, six hundred three".