1121202313 has 16 divisors (see below), whose sum is σ = 1411712640. Its totient is φ = 865008000.

The previous prime is 1121202281. The next prime is 1121202317. The reversal of 1121202313 is 3132021211.

It is a cyclic number.

It is not a de Polignac number, because 1121202313 - 2⁵ = 1121202281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121202317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64308 + ... + 79861.

It is an arithmetic number, because the mean of its divisors is an integer number (88232040).

Almost surely, 2^1121202313 is an apocalyptic number.

It is an amenable number.

1121202313 is a deficient number, since it is larger than the sum of its proper divisors (290510327).

1121202313 is a wasteful number, since it uses less digits than its factorization.

1121202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144288.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121202313 is about 33484.3592293477. The cubic root of 1121202313 is about 1038.8702948078.

Adding to 1121202313 its reverse (3132021211), we get a palindrome (4253223524).

The spelling of 1121202313 in words is "one billion, one hundred twenty-one million, two hundred two thousand, three hundred thirteen".