1180265 has 4 divisors (see below), whose sum is σ = 1416324. Its totient is φ = 944208.

The previous prime is 1180253. The next prime is 1180279. The reversal of 1180265 is 5620811.

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 755161 + 425104 = 869^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1180265 - 2⁸ = 1180009 is a prime.

It is an Ulam number.

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 1180265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118022 + ... + 118031.

It is an arithmetic number, because the mean of its divisors is an integer number (354081).

2^1180265 is an apocalyptic number.

It is an amenable number.

1180265 is a deficient number, since it is larger than the sum of its proper divisors (236059).

1180265 is an equidigital number, since it uses as much as digits as its factorization.

1180265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236058.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1180265 is about 1086.4000184094. The cubic root of 1180265 is about 105.6800904219.

The spelling of 1180265 in words is "one million, one hundred eighty thousand, two hundred sixty-five".