198285121 has 8 divisors (see below), whose sum is σ = 209469600. Its totient is φ = 187175520.

The previous prime is 198285107. The next prime is 198285149. The reversal of 198285121 is 121582891.

198285121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 198285121 - 2⁹ = 198284609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198285221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13231 + ... + 23908.

It is an arithmetic number, because the mean of its divisors is an integer number (26183700).

Almost surely, 2^198285121 is an apocalyptic number.

It is an amenable number.

198285121 is a deficient number, since it is larger than the sum of its proper divisors (11184479).

198285121 is a wasteful number, since it uses less digits than its factorization.

198285121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37439.

The product of its digits is 11520, while the sum is 37.

The square root of 198285121 is about 14081.3749683758. The cubic root of 198285121 is about 583.1273020055.

The spelling of 198285121 in words is "one hundred ninety-eight million, two hundred eighty-five thousand, one hundred twenty-one".