1200320998 has 8 divisors (see below), whose sum is σ = 1834453008. Its totient is φ = 588836664.

The previous prime is 1200320981. The next prime is 1200321007. The reversal of 1200320998 is 8990230021.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5661786 + ... + 5661997.

It is an arithmetic number, because the mean of its divisors is an integer number (229306626).

Almost surely, 2^1200320998 is an apocalyptic number.

1200320998 is a deficient number, since it is larger than the sum of its proper divisors (634132010).

1200320998 is a wasteful number, since it uses less digits than its factorization.

1200320998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323838.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1200320998 is about 34645.6490486179. The cubic root of 1200320998 is about 1062.7533138672.

The spelling of 1200320998 in words is "one billion, two hundred million, three hundred twenty thousand, nine hundred ninety-eight".