121034198 has 8 divisors (see below), whose sum is σ = 182171808. Its totient is φ = 60310264.

The previous prime is 121034171. The next prime is 121034209. The reversal of 121034198 is 891430121.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121034198.

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, 102686 + ... + 103857.

It is an arithmetic number, because the mean of its divisors is an integer number (22771476).

Almost surely, 2^121034198 is an apocalyptic number.

121034198 is a deficient number, since it is larger than the sum of its proper divisors (61137610).

121034198 is a wasteful number, since it uses less digits than its factorization.

121034198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206838.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 121034198 is about 11001.5543447278. The cubic root of 121034198 is about 494.6553367121.

The spelling of 121034198 in words is "one hundred twenty-one million, thirty-four thousand, one hundred ninety-eight".