5120903 has 4 divisors (see below), whose sum is σ = 5134200. Its totient is φ = 5107608.

The previous prime is 5120891. The next prime is 5120939. The reversal of 5120903 is 3090215.

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 5120903 - 2⁴ = 5120887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120963) 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 3 ways as a sum of consecutive naturals, for example, 6053 + ... + 6846.

It is an arithmetic number, because the mean of its divisors is an integer number (1283550).

Almost surely, 2^5120903 is an apocalyptic number.

5120903 is a deficient number, since it is larger than the sum of its proper divisors (13297).

5120903 is a wasteful number, since it uses less digits than its factorization.

5120903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13296.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 5120903 is about 2262.9412276946. The cubic root of 5120903 is about 172.3649071826.

The spelling of 5120903 in words is "five million, one hundred twenty thousand, nine hundred three".