1193215019 has 2 divisors, whose sum is σ = 1193215020. Its totient is φ = 1193215018.

The previous prime is 1193214929. The next prime is 1193215021. The reversal of 1193215019 is 9105123911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1193215019 is a prime.

It is a super-2 number, since 2×1193215019² = 2847524163134340722, which contains 22 as substring.

Together with 1193215021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1193215319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 596607509 + 596607510.

It is an arithmetic number, because the mean of its divisors is an integer number (596607510).

Almost surely, 2^1193215019 is an apocalyptic number.

1193215019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1193215019 is an equidigital number, since it uses as much as digits as its factorization.

1193215019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 1193215019 is about 34542.9445618060. The cubic root of 1193215019 is about 1060.6519719380.

The spelling of 1193215019 in words is "one billion, one hundred ninety-three million, two hundred fifteen thousand, nineteen".