900201 has 16 divisors (see below), whose sum is σ = 1339200. Its totient is φ = 534528.

The previous prime is 900187. The next prime is 900217. The reversal of 900201 is 102009.

It is a happy number.

It is not a de Polignac number, because 900201 - 2⁵ = 900169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (900241) 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, 505 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (83700).

2⁹⁰⁰²⁰¹ is an apocalyptic number.

It is an amenable number.

900201 is a deficient number, since it is larger than the sum of its proper divisors (438999).

900201 is a wasteful number, since it uses less digits than its factorization.

900201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 900201 is about 948.7892284380. The cubic root of 900201 is about 96.5561254576.

The spelling of 900201 in words is "nine hundred thousand, two hundred one".