1194798247 has 2 divisors, whose sum is σ = 1194798248. Its totient is φ = 1194798246.

The previous prime is 1194798169. The next prime is 1194798263. The reversal of 1194798247 is 7428974911.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1194798247 - 2⁷ = 1194798119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1194798194 and 1194798203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1194798287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597399123 + 597399124.

It is an arithmetic number, because the mean of its divisors is an integer number (597399124).

Almost surely, 2^1194798247 is an apocalyptic number.

1194798247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1194798247 is an equidigital number, since it uses as much as digits as its factorization.

1194798247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The square root of 1194798247 is about 34565.8537721839. The cubic root of 1194798247 is about 1061.1208764549.

The spelling of 1194798247 in words is "one billion, one hundred ninety-four million, seven hundred ninety-eight thousand, two hundred forty-seven".