1147132849 has 2 divisors, whose sum is σ = 1147132850. Its totient is φ = 1147132848.

The previous prime is 1147132799. The next prime is 1147132873. The reversal of 1147132849 is 9482317411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752514624 + 394618225 = 27432^2 + 19865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147132849 - 2¹⁷ = 1147001777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1147132879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573566424 + 573566425.

It is an arithmetic number, because the mean of its divisors is an integer number (573566425).

Almost surely, 2^1147132849 is an apocalyptic number.

It is an amenable number.

1147132849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147132849 is an equidigital number, since it uses as much as digits as its factorization.

1147132849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 1147132849 is about 33869.3496985106. The cubic root of 1147132849 is about 1046.8181375147.

The spelling of 1147132849 in words is "one billion, one hundred forty-seven million, one hundred thirty-two thousand, eight hundred forty-nine".