1140322111 has 4 divisors (see below), whose sum is σ = 1157341912. Its totient is φ = 1123302312.

The previous prime is 1140322109. The next prime is 1140322121. The reversal of 1140322111 is 1112230411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140322111 - 2¹ = 1140322109 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 (1140322121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8509800 + ... + 8509933.

It is an arithmetic number, because the mean of its divisors is an integer number (289335478).

Almost surely, 2^1140322111 is an apocalyptic number.

1140322111 is a deficient number, since it is larger than the sum of its proper divisors (17019801).

1140322111 is an equidigital number, since it uses as much as digits as its factorization.

1140322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17019800.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1140322111 is about 33768.6557476012. The cubic root of 1140322111 is about 1044.7423068260.

Adding to 1140322111 its reverse (1112230411), we get a palindrome (2252552522).

The spelling of 1140322111 in words is "one billion, one hundred forty million, three hundred twenty-two thousand, one hundred eleven".