10202189 has 4 divisors (see below), whose sum is σ = 10369500. Its totient is φ = 10034880.

The previous prime is 10202177. The next prime is 10202191. The reversal of 10202189 is 98120201.

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 5026564 + 5175625 = 2242^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202189 - 2¹² = 10198093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83564 + ... + 83685.

It is an arithmetic number, because the mean of its divisors is an integer number (2592375).

Almost surely, 2^10202189 is an apocalyptic number.

It is an amenable number.

10202189 is a deficient number, since it is larger than the sum of its proper divisors (167311).

10202189 is an equidigital number, since it uses as much as digits as its factorization.

10202189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167310.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 10202189 is about 3194.0865673929. The cubic root of 10202189 is about 216.8858014370.

The spelling of 10202189 in words is "ten million, two hundred two thousand, one hundred eighty-nine".