1260065 has 4 divisors (see below), whose sum is σ = 1512084. Its totient is φ = 1008048.

The previous prime is 1260059. The next prime is 1260067. The reversal of 1260065 is 5600621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1002001 + 258064 = 1001^2 + 508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260065 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260067) 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, 126002 + ... + 126011.

It is an arithmetic number, because the mean of its divisors is an integer number (378021).

2^1260065 is an apocalyptic number.

It is an amenable number.

1260065 is a deficient number, since it is larger than the sum of its proper divisors (252019).

1260065 is an equidigital number, since it uses as much as digits as its factorization.

1260065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252018.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1260065 is about 1122.5261689600. The cubic root of 1260065 is about 108.0100870780.

Adding to 1260065 its reverse (5600621), we get a palindrome (6860686).

The spelling of 1260065 in words is "one million, two hundred sixty thousand, sixty-five".