1002201 has 16 divisors (see below), whose sum is σ = 1450944. Its totient is φ = 612864.

The previous prime is 1002191. The next prime is 1002227. The reversal of 1002201 is 1022001.

It is a happy number.

It is not a de Polignac number, because 1002201 - 2⁷ = 1002073 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002201.

It is not an unprimeable number, because it can be changed into a prime (1002241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (90684).

2^1002201 is an apocalyptic number.

It is an amenable number.

1002201 is a deficient number, since it is larger than the sum of its proper divisors (448743).

1002201 is a wasteful number, since it uses less digits than its factorization.

1002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1002201 is about 1001.0998951154. The cubic root of 1002201 is about 100.0733129057.

Adding to 1002201 its reverse (1022001), we get a palindrome (2024202).

The spelling of 1002201 in words is "one million, two thousand, two hundred one".