1142340307 has 2 divisors, whose sum is σ = 1142340308. Its totient is φ = 1142340306.

The previous prime is 1142340299. The next prime is 1142340337. The reversal of 1142340307 is 7030432411.

It is a weak prime.

It is an emirp because it is prime and its reverse (7030432411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142340307 - 2³ = 1142340299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142340337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571170153 + 571170154.

It is an arithmetic number, because the mean of its divisors is an integer number (571170154).

Almost surely, 2^1142340307 is an apocalyptic number.

1142340307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142340307 is an equidigital number, since it uses as much as digits as its factorization.

1142340307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1142340307 is about 33798.5252193051. The cubic root of 1142340307 is about 1045.3582883519.

Adding to 1142340307 its reverse (7030432411), we get a palindrome (8172772718).

The spelling of 1142340307 in words is "one billion, one hundred forty-two million, three hundred forty thousand, three hundred seven".