1170131449 has 2 divisors, whose sum is σ = 1170131450. Its totient is φ = 1170131448.

The previous prime is 1170131441. The next prime is 1170131453. The reversal of 1170131449 is 9441310711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765518224 + 404613225 = 27668^2 + 20115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1170131449 - 2³ = 1170131441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1170131449.

It is not a weakly prime, because it can be changed into another prime (1170131441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585065724 + 585065725.

It is an arithmetic number, because the mean of its divisors is an integer number (585065725).

Almost surely, 2^1170131449 is an apocalyptic number.

It is an amenable number.

1170131449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170131449 is an equidigital number, since it uses as much as digits as its factorization.

1170131449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1170131449 is about 34207.1841723343. The cubic root of 1170131449 is about 1053.7677035245.

The spelling of 1170131449 in words is "one billion, one hundred seventy million, one hundred thirty-one thousand, four hundred forty-nine".