201002197 has 8 divisors (see below), whose sum is σ = 230816160. Its totient is φ = 173111760.

The previous prime is 201002189. The next prime is 201002227. The reversal of 201002197 is 791200102.

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 201002197 - 2³ = 201002189 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 (201002147) 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 7 ways as a sum of consecutive naturals, for example, 480658 + ... + 481075.

It is an arithmetic number, because the mean of its divisors is an integer number (28852020).

Almost surely, 2^201002197 is an apocalyptic number.

It is an amenable number.

201002197 is a deficient number, since it is larger than the sum of its proper divisors (29813963).

201002197 is a wasteful number, since it uses less digits than its factorization.

201002197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961763.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 201002197 is about 14177.5243607620. The cubic root of 201002197 is about 585.7787345047.

Adding to 201002197 its reverse (791200102), we get a palindrome (992202299).

The spelling of 201002197 in words is "two hundred one million, two thousand, one hundred ninety-seven".