1188213067 has 2 divisors, whose sum is σ = 1188213068. Its totient is φ = 1188213066.

The previous prime is 1188213017. The next prime is 1188213119. The reversal of 1188213067 is 7603128811.

It is a weak prime.

It is an emirp because it is prime and its reverse (7603128811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1188213067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1188213007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594106533 + 594106534.

It is an arithmetic number, because the mean of its divisors is an integer number (594106534).

Almost surely, 2^1188213067 is an apocalyptic number.

1188213067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188213067 is an equidigital number, since it uses as much as digits as its factorization.

1188213067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1188213067 is about 34470.4665909819. The cubic root of 1188213067 is about 1059.1678133726.

The spelling of 1188213067 in words is "one billion, one hundred eighty-eight million, two hundred thirteen thousand, sixty-seven".