1197229219 has 2 divisors, whose sum is σ = 1197229220. Its totient is φ = 1197229218.

The previous prime is 1197229183. The next prime is 1197229223. The reversal of 1197229219 is 9129227911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197229219 is a prime.

It is a super-2 number, since 2×1197229219² = 2866715605654699922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1197229819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598614609 + 598614610.

It is an arithmetic number, because the mean of its divisors is an integer number (598614610).

Almost surely, 2^1197229219 is an apocalyptic number.

1197229219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197229219 is an equidigital number, since it uses as much as digits as its factorization.

1197229219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 43.

The square root of 1197229219 is about 34601.0002601081. Note that the first 3 decimals coincide. The cubic root of 1197229219 is about 1061.8400516073.

The spelling of 1197229219 in words is "one billion, one hundred ninety-seven million, two hundred twenty-nine thousand, two hundred nineteen".