1147265 has 8 divisors (see below), whose sum is σ = 1573440. Its totient is φ = 786672.

The previous prime is 1147253. The next prime is 1147271. The reversal of 1147265 is 5627411.

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

It is a cyclic number.

It is not a de Polignac number, because 1147265 - 2⁴ = 1147249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16355 + ... + 16424.

It is an arithmetic number, because the mean of its divisors is an integer number (196680).

2^1147265 is an apocalyptic number.

It is an amenable number.

1147265 is a deficient number, since it is larger than the sum of its proper divisors (426175).

1147265 is an equidigital number, since it uses as much as digits as its factorization.

1147265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32791.

The product of its digits is 1680, while the sum is 26.

The square root of 1147265 is about 1071.1045700584. The cubic root of 1147265 is about 104.6858334182.

It can be divided in two parts, 11 and 47265, that multiplied together give a palindrome (519915).

The spelling of 1147265 in words is "one million, one hundred forty-seven thousand, two hundred sixty-five".