1350205 has 12 divisors (see below), whose sum is σ = 1680156. Its totient is φ = 1041600.

The previous prime is 1350203. The next prime is 1350229. The reversal of 1350205 is 5020531.

It can be written as a sum of positive squares in 2 ways, for example, as 700569 + 649636 = 837^2 + 806^2 .

It is not a de Polignac number, because 1350205 - 2¹ = 1350203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350203) 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 11 ways as a sum of consecutive naturals, for example, 4665 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (140013).

2^1350205 is an apocalyptic number.

It is an amenable number.

1350205 is a deficient number, since it is larger than the sum of its proper divisors (329951).

1350205 is an equidigital number, since it uses as much as digits as its factorization.

1350205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 1350205 is about 1161.9832184675. The cubic root of 1350205 is about 110.5265389461.

Adding to 1350205 its reverse (5020531), we get a palindrome (6370736).

The spelling of 1350205 in words is "one million, three hundred fifty thousand, two hundred five".