1147727275 has 6 divisors (see below), whose sum is σ = 1423181852. Its totient is φ = 918181800.

The previous prime is 1147727221. The next prime is 1147727279. The reversal of 1147727275 is 5727277411.

It is a de Polignac number, because none of the positive numbers 2^k-1147727275 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147727279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22954521 + ... + 22954570.

Almost surely, 2^1147727275 is an apocalyptic number.

1147727275 is a deficient number, since it is larger than the sum of its proper divisors (275454577).

1147727275 is an equidigital number, since it uses as much as digits as its factorization.

1147727275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45909101 (or 45909096 counting only the distinct ones).

The product of its digits is 192080, while the sum is 43.

The square root of 1147727275 is about 33878.1238412047. The cubic root of 1147727275 is about 1046.9989211292.

The spelling of 1147727275 in words is "one billion, one hundred forty-seven million, seven hundred twenty-seven thousand, two hundred seventy-five".