1200198 has 8 divisors (see below), whose sum is σ = 2400408. Its totient is φ = 400064.

The previous prime is 1200191. The next prime is 1200233. The reversal of 1200198 is 8910021.

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

1200198 is an admirable number.

1200198 is a modest number, since divided by 198 gives 120 as remainder.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100011 + ... + 100022.

It is an arithmetic number, because the mean of its divisors is an integer number (300051).

2^1200198 is an apocalyptic number.

1200198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200198 is a wasteful number, since it uses less digits than its factorization.

1200198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200038.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1200198 is about 1095.5354855047. The cubic root of 1200198 is about 106.2717012190.

The spelling of 1200198 in words is "one million, two hundred thousand, one hundred ninety-eight".