1198117298 has 8 divisors (see below), whose sum is σ = 2053915392. Its totient is φ = 513478836.

The previous prime is 1198117289. The next prime is 1198117303. The reversal of 1198117298 is 8927118911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42789890 + ... + 42789917.

It is an arithmetic number, because the mean of its divisors is an integer number (256739424).

Almost surely, 2^1198117298 is an apocalyptic number.

1198117298 is a deficient number, since it is larger than the sum of its proper divisors (855798094).

1198117298 is an equidigital number, since it uses as much as digits as its factorization.

1198117298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85579816.

The product of its digits is 72576, while the sum is 47.

The square root of 1198117298 is about 34613.8310217173. The cubic root of 1198117298 is about 1062.1025367876.

The spelling of 1198117298 in words is "one billion, one hundred ninety-eight million, one hundred seventeen thousand, two hundred ninety-eight".