1142232307 has 2 divisors, whose sum is σ = 1142232308. Its totient is φ = 1142232306.

The previous prime is 1142232239. The next prime is 1142232313. The reversal of 1142232307 is 7032322411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7032322411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142232307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142232317) 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 as a sum of consecutive naturals, namely, 571116153 + 571116154.

It is an arithmetic number, because the mean of its divisors is an integer number (571116154).

Almost surely, 2^1142232307 is an apocalyptic number.

1142232307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142232307 is an equidigital number, since it uses as much as digits as its factorization.

1142232307 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 1142232307 is about 33796.9274786925. The cubic root of 1142232307 is about 1045.3253436294.

Adding to 1142232307 its reverse (7032322411), we get a palindrome (8174554718).

The spelling of 1142232307 in words is "one billion, one hundred forty-two million, two hundred thirty-two thousand, three hundred seven".