120503255 has 4 divisors (see below), whose sum is σ = 144603912. Its totient is φ = 96402600.

The previous prime is 120503249. The next prime is 120503267. The reversal of 120503255 is 552305021.

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

It is not a de Polignac number, because 120503255 - 2⁴ = 120503239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120503255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12050321 + ... + 12050330.

It is an arithmetic number, because the mean of its divisors is an integer number (36150978).

Almost surely, 2^120503255 is an apocalyptic number.

120503255 is a deficient number, since it is larger than the sum of its proper divisors (24100657).

120503255 is an equidigital number, since it uses as much as digits as its factorization.

120503255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24100656.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 120503255 is about 10977.3974602362. The cubic root of 120503255 is about 493.9309718495.

Adding to 120503255 its reverse (552305021), we get a palindrome (672808276).

The spelling of 120503255 in words is "one hundred twenty million, five hundred three thousand, two hundred fifty-five".