1121202303 has 8 divisors (see below), whose sum is σ = 1609931568. Its totient is φ = 689970624.

The previous prime is 1121202281. The next prime is 1121202317. The reversal of 1121202303 is 3032021211.

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

It is not a de Polignac number, because 1121202303 - 2⁹ = 1121201791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121202353) 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, 14374350 + ... + 14374427.

It is an arithmetic number, because the mean of its divisors is an integer number (201241446).

Almost surely, 2^1121202303 is an apocalyptic number.

1121202303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121202303 is a deficient number, since it is larger than the sum of its proper divisors (488729265).

1121202303 is a wasteful number, since it uses less digits than its factorization.

1121202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28748793.

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

The square root of 1121202303 is about 33484.3590800242. The cubic root of 1121202303 is about 1038.8702917192.

Adding to 1121202303 its reverse (3032021211), we get a palindrome (4153223514).

The spelling of 1121202303 in words is "one billion, one hundred twenty-one million, two hundred two thousand, three hundred three".