1125014503 has 4 divisors (see below), whose sum is σ = 1125186120. Its totient is φ = 1124842888.

The previous prime is 1125014441. The next prime is 1125014519. The reversal of 1125014503 is 3054105211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125014503 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 (1125014533) 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, 75568 + ... + 89221.

It is an arithmetic number, because the mean of its divisors is an integer number (281296530).

Almost surely, 2^1125014503 is an apocalyptic number.

1125014503 is a deficient number, since it is larger than the sum of its proper divisors (171617).

1125014503 is an equidigital number, since it uses as much as digits as its factorization.

1125014503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171616.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1125014503 is about 33541.2358597593. The cubic root of 1125014503 is about 1040.0463807594.

Adding to 1125014503 its reverse (3054105211), we get a palindrome (4179119714).

The spelling of 1125014503 in words is "one billion, one hundred twenty-five million, fourteen thousand, five hundred three".