1198247 has 2 divisors, whose sum is σ = 1198248. Its totient is φ = 1198246.

The previous prime is 1198229. The next prime is 1198259. The reversal of 1198247 is 7428911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1198247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1198217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599123 + 599124.

It is an arithmetic number, because the mean of its divisors is an integer number (599124).

2^1198247 is an apocalyptic number.

1198247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198247 is an equidigital number, since it uses as much as digits as its factorization.

1198247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 1198247 is about 1094.6446912126. The cubic root of 1198247 is about 106.2140861319.

The spelling of 1198247 in words is "one million, one hundred ninety-eight thousand, two hundred forty-seven".