201098 has 4 divisors (see below), whose sum is σ = 301650. Its totient is φ = 100548.

The previous prime is 201073. The next prime is 201101. The reversal of 201098 is 890102.

201098 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 182329 + 18769 = 427^2 + 137^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50273 + ... + 50276.

2²⁰¹⁰⁹⁸ is an apocalyptic number.

201098 is a deficient number, since it is larger than the sum of its proper divisors (100552).

201098 is a wasteful number, since it uses less digits than its factorization.

201098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100551.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 201098 is about 448.4395165460. The cubic root of 201098 is about 58.5871785638.

The spelling of 201098 in words is "two hundred one thousand, ninety-eight".