1121200303 has 8 divisors (see below), whose sum is σ = 1187449200. Its totient is φ = 1054984320.

The previous prime is 1121200277. The next prime is 1121200321. The reversal of 1121200303 is 3030021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121200303 - 2²⁹ = 584329391 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 (1121200363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113388 + ... + 122878.

It is an arithmetic number, because the mean of its divisors is an integer number (148431150).

Almost surely, 2^1121200303 is an apocalyptic number.

1121200303 is a deficient number, since it is larger than the sum of its proper divisors (66248897).

1121200303 is an equidigital number, since it uses as much as digits as its factorization.

1121200303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16457.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1121200303 is about 33484.3292153210. The cubic root of 1121200303 is about 1038.8696740068.

Adding to 1121200303 its reverse (3030021211), we get a palindrome (4151221514).

The spelling of 1121200303 in words is "one billion, one hundred twenty-one million, two hundred thousand, three hundred three".