989120201 has 4 divisors (see below), whose sum is σ = 992240772. Its totient is φ = 985999632.

The previous prime is 989120189. The next prime is 989120219. The reversal of 989120201 is 102021989.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 420250000 + 568870201 = 20500^2 + 23851^2 .

It is a cyclic number.

It is not a de Polignac number, because 989120201 - 2²² = 984925897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989120501) by changing a digit.

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, 1559810 + ... + 1560443.

It is an arithmetic number, because the mean of its divisors is an integer number (248060193).

Almost surely, 2^989120201 is an apocalyptic number.

It is an amenable number.

989120201 is a deficient number, since it is larger than the sum of its proper divisors (3120571).

989120201 is a wasteful number, since it uses less digits than its factorization.

989120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120570.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 989120201 is about 31450.2814136853. The cubic root of 989120201 is about 996.3601680305.

The spelling of 989120201 in words is "nine hundred eighty-nine million, one hundred twenty thousand, two hundred one".