120550503 has 8 divisors (see below), whose sum is σ = 160785648. Its totient is φ = 80341184.

The previous prime is 120550501. The next prime is 120550517. The reversal of 120550503 is 305055021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120550503 - 2¹ = 120550501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120550503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120550501) 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 7 ways as a sum of consecutive naturals, for example, 11875 + ... + 19547.

It is an arithmetic number, because the mean of its divisors is an integer number (20098206).

Almost surely, 2^120550503 is an apocalyptic number.

120550503 is a deficient number, since it is larger than the sum of its proper divisors (40235145).

120550503 is an equidigital number, since it uses as much as digits as its factorization.

120550503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12913.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 120550503 is about 10979.5493076902. The cubic root of 120550503 is about 493.9955183801.

The spelling of 120550503 in words is "one hundred twenty million, five hundred fifty thousand, five hundred three".