1121302203 has 16 divisors (see below), whose sum is σ = 1716320256. Its totient is φ = 637868160.

The previous prime is 1121302181. The next prime is 1121302211. The reversal of 1121302203 is 3022031211.

It is not a de Polignac number, because 1121302203 - 2⁸ = 1121301947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121302213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115038 + ... + 124403.

It is an arithmetic number, because the mean of its divisors is an integer number (107270016).

Almost surely, 2^1121302203 is an apocalyptic number.

1121302203 is a deficient number, since it is larger than the sum of its proper divisors (595018053).

1121302203 is a wasteful number, since it uses less digits than its factorization.

1121302203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1121302203 is about 33485.8507880567. The cubic root of 1121302203 is about 1038.9011455207.

Adding to 1121302203 its reverse (3022031211), we get a palindrome (4143333414).

The spelling of 1121302203 in words is "one billion, one hundred twenty-one million, three hundred two thousand, two hundred three".