1371065 has 4 divisors (see below), whose sum is σ = 1645284. Its totient is φ = 1096848.

The previous prime is 1371061. The next prime is 1371079. The reversal of 1371065 is 5601731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5601731 = 31 ⋅180701.

It can be written as a sum of positive squares in 2 ways, for example, as 346921 + 1024144 = 589^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371065 - 2² = 1371061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1371065.

It is not an unprimeable number, because it can be changed into a prime (1371061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137102 + ... + 137111.

It is an arithmetic number, because the mean of its divisors is an integer number (411321).

2^1371065 is an apocalyptic number.

It is an amenable number.

1371065 is a deficient number, since it is larger than the sum of its proper divisors (274219).

1371065 is an equidigital number, since it uses as much as digits as its factorization.

1371065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274218.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1371065 is about 1170.9248481436. The cubic root of 1371065 is about 111.0928260652.

Adding to 1371065 its reverse (5601731), we get a palindrome (6972796).

The spelling of 1371065 in words is "one million, three hundred seventy-one thousand, sixty-five".