120550603 has 4 divisors (see below), whose sum is σ = 122076640. Its totient is φ = 119024568.

The previous prime is 120550601. The next prime is 120550607. The reversal of 120550603 is 306055021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120550603 - 2¹ = 120550601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120550601) 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, 762900 + ... + 763057.

It is an arithmetic number, because the mean of its divisors is an integer number (30519160).

Almost surely, 2^120550603 is an apocalyptic number.

120550603 is a deficient number, since it is larger than the sum of its proper divisors (1526037).

120550603 is an equidigital number, since it uses as much as digits as its factorization.

120550603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526036.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 120550603 is about 10979.5538616102. The cubic root of 120550603 is about 493.9956549744.

The spelling of 120550603 in words is "one hundred twenty million, five hundred fifty thousand, six hundred three".