1171274327 has 4 divisors (see below), whose sum is σ = 1172034960. Its totient is φ = 1170513696.

The previous prime is 1171274317. The next prime is 1171274329. The reversal of 1171274327 is 7234721711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7234721711 = 7 ⋅1033531673.

It is a cyclic number.

It is not a de Polignac number, because 1171274327 - 2²² = 1167080023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171274329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378002 + ... + 381087.

It is an arithmetic number, because the mean of its divisors is an integer number (293008740).

Almost surely, 2^1171274327 is an apocalyptic number.

1171274327 is a deficient number, since it is larger than the sum of its proper divisors (760633).

1171274327 is an equidigital number, since it uses as much as digits as its factorization.

1171274327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760632.

The product of its digits is 16464, while the sum is 35.

The square root of 1171274327 is about 34223.8853288168. The cubic root of 1171274327 is about 1054.1106667150.

The spelling of 1171274327 in words is "one billion, one hundred seventy-one million, two hundred seventy-four thousand, three hundred twenty-seven".