1147134071 has 4 divisors (see below), whose sum is σ = 1147265352. Its totient is φ = 1147002792.

The previous prime is 1147134061. The next prime is 1147134089. The reversal of 1147134071 is 1704317411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1147134071 - 2¹⁸ = 1146871927 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 (1147134011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51521 + ... + 70346.

It is an arithmetic number, because the mean of its divisors is an integer number (286816338).

Almost surely, 2^1147134071 is an apocalyptic number.

1147134071 is a deficient number, since it is larger than the sum of its proper divisors (131281).

1147134071 is an equidigital number, since it uses as much as digits as its factorization.

1147134071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131280.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 1147134071 is about 33869.3677384152. The cubic root of 1147134071 is about 1046.8185092274.

The spelling of 1147134071 in words is "one billion, one hundred forty-seven million, one hundred thirty-four thousand, seventy-one".