1147031071 has 2 divisors, whose sum is σ = 1147031072. Its totient is φ = 1147031070.

The previous prime is 1147031069. The next prime is 1147031087. The reversal of 1147031071 is 1701307411.

It is a weak prime.

It is an emirp because it is prime and its reverse (1701307411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1147031071 - 2¹ = 1147031069 is a prime.

Together with 1147031069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147031371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573515535 + 573515536.

It is an arithmetic number, because the mean of its divisors is an integer number (573515536).

Almost surely, 2^1147031071 is an apocalyptic number.

1147031071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147031071 is an equidigital number, since it uses as much as digits as its factorization.

1147031071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 1147031071 is about 33867.8471562631. The cubic root of 1147031071 is about 1046.7871773670.

Adding to 1147031071 its reverse (1701307411), we get a palindrome (2848338482).

The spelling of 1147031071 in words is "one billion, one hundred forty-seven million, thirty-one thousand, seventy-one".