1147671671 has 4 divisors (see below), whose sum is σ = 1147768272. Its totient is φ = 1147575072.

The previous prime is 1147671601. The next prime is 1147671673. The reversal of 1147671671 is 1761767411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1147671671 - 2²² = 1143477367 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 (1147671673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27491 + ... + 55236.

It is an arithmetic number, because the mean of its divisors is an integer number (286942068).

Almost surely, 2^1147671671 is an apocalyptic number.

1147671671 is a deficient number, since it is larger than the sum of its proper divisors (96601).

1147671671 is an equidigital number, since it uses as much as digits as its factorization.

1147671671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96600.

The product of its digits is 49392, while the sum is 41.

The square root of 1147671671 is about 33877.3031836951. The cubic root of 1147671671 is about 1046.9820128533.

The spelling of 1147671671 in words is "one billion, one hundred forty-seven million, six hundred seventy-one thousand, six hundred seventy-one".