1121200313 has 8 divisors (see below), whose sum is σ = 1140718656. Its totient is φ = 1101718800.

The previous prime is 1121200277. The next prime is 1121200321. The reversal of 1121200313 is 3130021211.

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 1121200313 - 2⁸ = 1121200057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121200363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56198 + ... + 73488.

It is an arithmetic number, because the mean of its divisors is an integer number (142589832).

Almost surely, 2^1121200313 is an apocalyptic number.

It is an amenable number.

1121200313 is a deficient number, since it is larger than the sum of its proper divisors (19518343).

1121200313 is a wasteful number, since it uses less digits than its factorization.

1121200313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18415.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1121200313 is about 33484.3293646446. The cubic root of 1121200313 is about 1038.8696770953.

Adding to 1121200313 its reverse (3130021211), we get a palindrome (4251221524).

The spelling of 1121200313 in words is "one billion, one hundred twenty-one million, two hundred thousand, three hundred thirteen".