989102201 has 2 divisors, whose sum is σ = 989102202. Its totient is φ = 989102200.

The previous prime is 989102197. The next prime is 989102227. The reversal of 989102201 is 102201989.

It is a happy number.

989102201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 562638400 + 426463801 = 23720^2 + 20651^2 .

It is a cyclic number.

It is not a de Polignac number, because 989102201 - 2² = 989102197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (989102291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494551100 + 494551101.

It is an arithmetic number, because the mean of its divisors is an integer number (494551101).

Almost surely, 2^989102201 is an apocalyptic number.

It is an amenable number.

989102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

989102201 is an equidigital number, since it uses as much as digits as its factorization.

989102201 is an odious number, because the sum of its binary digits is odd.

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

The square root of 989102201 is about 31449.9952464225. The cubic root of 989102201 is about 996.3541240762.

The spelling of 989102201 in words is "nine hundred eighty-nine million, one hundred two thousand, two hundred one".