1147959071 has 4 divisors (see below), whose sum is σ = 1311953232. Its totient is φ = 983964912.

The previous prime is 1147959019. The next prime is 1147959073. The reversal of 1147959071 is 1709597411.

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

It is not a de Polignac number, because 1147959071 - 2¹⁴ = 1147942687 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 (1147959073) 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, 81997070 + ... + 81997083.

It is an arithmetic number, because the mean of its divisors is an integer number (327988308).

Almost surely, 2^1147959071 is an apocalyptic number.

1147959071 is a deficient number, since it is larger than the sum of its proper divisors (163994161).

1147959071 is an equidigital number, since it uses as much as digits as its factorization.

1147959071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163994160.

The product of its (nonzero) digits is 79380, while the sum is 44.

The square root of 1147959071 is about 33881.5446961912. The cubic root of 1147959071 is about 1047.0694006560.

The spelling of 1147959071 in words is "one billion, one hundred forty-seven million, nine hundred fifty-nine thousand, seventy-one".