1120503 has 4 divisors (see below), whose sum is σ = 1494008. Its totient is φ = 747000.

The previous prime is 1120501. The next prime is 1120507. The reversal of 1120503 is 3050211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3050211 = 3 ⋅1016737.

It is not a de Polignac number, because 1120503 - 2¹ = 1120501 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120501) 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, 186748 + ... + 186753.

It is an arithmetic number, because the mean of its divisors is an integer number (373502).

2^1120503 is an apocalyptic number.

1120503 is a deficient number, since it is larger than the sum of its proper divisors (373505).

1120503 is an equidigital number, since it uses as much as digits as its factorization.

1120503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373504.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1120503 is about 1058.5381429122. The cubic root of 1120503 is about 103.8654262848.

Adding to 1120503 its reverse (3050211), we get a palindrome (4170714).

The spelling of 1120503 in words is "one million, one hundred twenty thousand, five hundred three".