1142320113 has 24 divisors (see below), whose sum is σ = 1803555936. Its totient is φ = 690955200.

The previous prime is 1142320103. The next prime is 1142320159. The reversal of 1142320113 is 3110232411.

It is not a de Polignac number, because 1142320113 - 2¹² = 1142316017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142320103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40506 + ... + 62652.

It is an arithmetic number, because the mean of its divisors is an integer number (75148164).

Almost surely, 2^1142320113 is an apocalyptic number.

It is an amenable number.

1142320113 is a deficient number, since it is larger than the sum of its proper divisors (661235823).

1142320113 is a wasteful number, since it uses less digits than its factorization.

1142320113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22685 (or 22682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1142320113 is about 33798.2264771393. The cubic root of 1142320113 is about 1045.3521284567.

Adding to 1142320113 its reverse (3110232411), we get a palindrome (4252552524).

The spelling of 1142320113 in words is "one billion, one hundred forty-two million, three hundred twenty thousand, one hundred thirteen".