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1020201 = 371337101
BaseRepresentation
bin11111001000100101001
31220211110020
43321010221
5230121301
633511053
711446230
oct3710451
91824406
101020201
11637546
12412489
13299490
141c7b17
15152436
hexf9129

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".

Divisors: 1 3 7 13 21 37 39 91 101 111 259 273 303 481 707 777 1313 1443 2121 3367 3737 3939 9191 10101 11211 26159 27573 48581 78477 145743 340067 1020201