1121340311 has 8 divisors (see below), whose sum is σ = 1380111264. Its totient is φ = 887214240.

The previous prime is 1121340307. The next prime is 1121340313. The reversal of 1121340311 is 1130431211.

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 1121340311 - 2² = 1121340307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121340311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121340313) 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, 6161120 + ... + 6161301.

It is an arithmetic number, because the mean of its divisors is an integer number (172513908).

Almost surely, 2^1121340311 is an apocalyptic number.

1121340311 is a deficient number, since it is larger than the sum of its proper divisors (258770953).

1121340311 is a wasteful number, since it uses less digits than its factorization.

1121340311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12322441.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1121340311 is about 33486.4197996740. The cubic root of 1121340311 is about 1038.9129145741.

Adding to 1121340311 its reverse (1130431211), we get a palindrome (2251771522).

The spelling of 1121340311 in words is "one billion, one hundred twenty-one million, three hundred forty thousand, three hundred eleven".