1017201 has 4 divisors (see below), whose sum is σ = 1356272.
Its totient is φ = 678132.
The previous prime is 1017199. The next prime is 1017209. The reversal of 1017201 is 1027101.
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 not a de Polignac number, because 1017201 - 21 = 1017199 is a prime.
It is a D-number.
It is a Duffinian number.
1017201 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (1017209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169531 + ... + 169536.
It is an arithmetic number, because the mean of its divisors is an integer number (339068).
21017201 is an apocalyptic number.
It is an amenable number.
1017201 is a deficient number, since it is larger than the sum of its proper divisors (339071).
1017201 is an equidigital number, since it uses as much as digits as its factorization.
1017201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339070.
The product of its (nonzero) digits is 14, while the sum is 12.
The square root of 1017201 is about 1008.5638304044.
The cubic root of 1017201 is about 100.5701102332.
The spelling of 1017201 in words is "one million, seventeen thousand, two hundred one".