1125033303 has 4 divisors (see below), whose sum is σ = 1500044408. Its totient is φ = 750022200.

The previous prime is 1125033253. The next prime is 1125033319. The reversal of 1125033303 is 3033305211.

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

It is not a de Polignac number, because 1125033303 - 2⁹ = 1125032791 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 1125033303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125033323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187505548 + ... + 187505553.

It is an arithmetic number, because the mean of its divisors is an integer number (375011102).

Almost surely, 2^1125033303 is an apocalyptic number.

1125033303 is a deficient number, since it is larger than the sum of its proper divisors (375011105).

1125033303 is an equidigital number, since it uses as much as digits as its factorization.

1125033303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375011104.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 1125033303 is about 33541.5161106352. The cubic root of 1125033303 is about 1040.0521740960.

Adding to 1125033303 its reverse (3033305211), we get a palindrome (4158338514).

The spelling of 1125033303 in words is "one billion, one hundred twenty-five million, thirty-three thousand, three hundred three".