1000201 has 4 divisors (see below), whose sum is σ = 1043712. Its totient is φ = 956692.

The previous prime is 1000199. The next prime is 1000211. The reversal of 1000201 is 1020001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000201 - 2¹ = 1000199 is a prime.

It is a super-3 number, since 3×1000201³ = 3001809363633361803, which contains 333 as substring.

It is a Duffinian number.

1000201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1000211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21721 + ... + 21766.

It is an arithmetic number, because the mean of its divisors is an integer number (260928).

2^1000201 is an apocalyptic number.

It is an amenable number.

1000201 is a deficient number, since it is larger than the sum of its proper divisors (43511).

1000201 is an equidigital number, since it uses as much as digits as its factorization.

1000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43510.

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 1000201 is about 1000.1004949504. The cubic root of 1000201 is about 100.0066995512.

Adding to 1000201 its reverse (1020001), we get a palindrome (2020202).

Multiplying 1000201 by its reverse (1020001), we get a palindrome (1020206020201).

The spelling of 1000201 in words is "one million, two hundred one", and thus it is an aban number.