1050217 has 6 divisors (see below), whose sum is σ = 1221738. Its totient is φ = 900144.

The previous prime is 1050197. The next prime is 1050229. The reversal of 1050217 is 7120501.

It can be written as a sum of positive squares in only one way, i.e., 670761 + 379456 = 819^2 + 616^2 .

It is not a de Polignac number, because 1050217 - 2¹⁵ = 1017449 is a prime.

It is a super-2 number, since 2×1050217² = 2205911494178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1050217.

It is not an unprimeable number, because it can be changed into a prime (1050317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10668 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (203623).

2^1050217 is an apocalyptic number.

It is an amenable number.

1050217 is a deficient number, since it is larger than the sum of its proper divisors (171521).

1050217 is an equidigital number, since it uses as much as digits as its factorization.

1050217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21447 (or 21440 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 1050217 is about 1024.8009562837. The cubic root of 1050217 is about 101.6466370408.

Adding to 1050217 its reverse (7120501), we get a palindrome (8170718).

The spelling of 1050217 in words is "one million, fifty thousand, two hundred seventeen".