1275365 has 16 divisors (see below), whose sum is σ = 1884288. Its totient is φ = 806976.

The previous prime is 1275361. The next prime is 1275401. The reversal of 1275365 is 5635721.

It is a cyclic number.

It is not a de Polignac number, because 1275365 - 2² = 1275361 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275361) 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 15 ways as a sum of consecutive naturals, for example, 947 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (117768).

2^1275365 is an apocalyptic number.

It is an amenable number.

1275365 is a deficient number, since it is larger than the sum of its proper divisors (608923).

1275365 is a wasteful number, since it uses less digits than its factorization.

1275365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828.

The product of its digits is 6300, while the sum is 29.

The square root of 1275365 is about 1129.3205922146. The cubic root of 1275365 is about 108.4454906812.

The spelling of 1275365 in words is "one million, two hundred seventy-five thousand, three hundred sixty-five".