1188213119 has 2 divisors, whose sum is σ = 1188213120. Its totient is φ = 1188213118.

The previous prime is 1188213067. The next prime is 1188213121. The reversal of 1188213119 is 9113128811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1188213119 - 2⁸ = 1188212863 is a prime.

It is a super-2 number, since 2×1188213119² = 2823700832327416322, which contains 22 as substring.

Together with 1188213121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1188213199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594106559 + 594106560.

It is an arithmetic number, because the mean of its divisors is an integer number (594106560).

Almost surely, 2^1188213119 is an apocalyptic number.

1188213119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188213119 is an equidigital number, since it uses as much as digits as its factorization.

1188213119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 35.

The square root of 1188213119 is about 34470.4673452508. The cubic root of 1188213119 is about 1059.1678288235.

The spelling of 1188213119 in words is "one billion, one hundred eighty-eight million, two hundred thirteen thousand, one hundred nineteen".