1143212207 has 2 divisors, whose sum is σ = 1143212208. Its totient is φ = 1143212206.

The previous prime is 1143212201. The next prime is 1143212237. The reversal of 1143212207 is 7022123411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143212207 - 2¹⁶ = 1143146671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143212201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571606103 + 571606104.

It is an arithmetic number, because the mean of its divisors is an integer number (571606104).

Almost surely, 2^1143212207 is an apocalyptic number.

1143212207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143212207 is an equidigital number, since it uses as much as digits as its factorization.

1143212207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1143212207 is about 33811.4212508141. The cubic root of 1143212207 is about 1045.6241799589.

Adding to 1143212207 its reverse (7022123411), we get a palindrome (8165335618).

The spelling of 1143212207 in words is "one billion, one hundred forty-three million, two hundred twelve thousand, two hundred seven".