1117265 has 8 divisors (see below), whose sum is σ = 1359528. Its totient is φ = 881280.

The previous prime is 1117253. The next prime is 1117267. The reversal of 1117265 is 5627111.

It can be written as a sum of positive squares in 4 ways, for example, as 398161 + 719104 = 631^2 + 848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1117265 - 2⁸ = 1117009 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 1117265.

It is not an unprimeable number, because it can be changed into a prime (1117267) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1166 + ... + 1895.

It is an arithmetic number, because the mean of its divisors is an integer number (169941).

2^1117265 is an apocalyptic number.

It is an amenable number.

1117265 is a deficient number, since it is larger than the sum of its proper divisors (242263).

1117265 is an equidigital number, since it uses as much as digits as its factorization.

1117265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139.

The product of its digits is 420, while the sum is 23.

The square root of 1117265 is about 1057.0075685633. The cubic root of 1117265 is about 103.7652805673.

The spelling of 1117265 in words is "one million, one hundred seventeen thousand, two hundred sixty-five".