1147499117 has 2 divisors, whose sum is σ = 1147499118. Its totient is φ = 1147499116.

The previous prime is 1147499113. The next prime is 1147499147. The reversal of 1147499117 is 7119947411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712943401 + 434555716 = 26701^2 + 20846^2 .

It is an emirp because it is prime and its reverse (7119947411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1147499117 - 2² = 1147499113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147499113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573749558 + 573749559.

It is an arithmetic number, because the mean of its divisors is an integer number (573749559).

Almost surely, 2^1147499117 is an apocalyptic number.

It is an amenable number.

1147499117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147499117 is an equidigital number, since it uses as much as digits as its factorization.

1147499117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 44.

The square root of 1147499117 is about 33874.7563386071. The cubic root of 1147499117 is about 1046.9295384991.

The spelling of 1147499117 in words is "one billion, one hundred forty-seven million, four hundred ninety-nine thousand, one hundred seventeen".