1201705 has 4 divisors (see below), whose sum is σ = 1442052. Its totient is φ = 961360.

The previous prime is 1201703. The next prime is 1201709. The reversal of 1201705 is 5071021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5071021 = 443 ⋅11447.

It can be written as a sum of positive squares in 2 ways, for example, as 522729 + 678976 = 723^2 + 824^2 .

It is not a de Polignac number, because 1201705 - 2¹ = 1201703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120166 + ... + 120175.

It is an arithmetic number, because the mean of its divisors is an integer number (360513).

2^1201705 is an apocalyptic number.

It is an amenable number.

1201705 is a deficient number, since it is larger than the sum of its proper divisors (240347).

1201705 is an equidigital number, since it uses as much as digits as its factorization.

1201705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240346.

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

The square root of 1201705 is about 1096.2230612426. The cubic root of 1201705 is about 106.3161617914.

Adding to 1201705 its reverse (5071021), we get a palindrome (6272726).

The spelling of 1201705 in words is "one million, two hundred one thousand, seven hundred five".