1020201 has 32 divisors (see below), whose sum is σ = 1736448.
Its totient is φ = 518400.
The previous prime is 1020163. The next prime is 1020223.
It can be divided in two parts, 1020 and 201, that added together give a palindrome (1221).
It is a happy number.
1020201 is nontrivially palindromic in base 10.
1020201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1020201 - 26 = 1020137 is a prime.
It is a Curzon number.
1020201 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 1020201.
It is not an unprimeable number, because it can be changed into a prime (1020001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10051 + ... + 10151.
It is an arithmetic number, because the mean of its divisors is an integer number (54264).
21020201 is an apocalyptic number.
It is an amenable number.
1020201 is a deficient number, since it is larger than the sum of its proper divisors (716247).
1020201 is a wasteful number, since it uses less digits than its factorization.
1020201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161.
The product of its (nonzero) digits is 4, while the sum is 6.
The square root of 1020201 is about 1010.0499987624.
The cubic root of 1020201 is about 100.6688826513.
The spelling of 1020201 in words is "one million, twenty thousand, two hundred one".