1148086909 has 2 divisors, whose sum is σ = 1148086910. Its totient is φ = 1148086908.

The previous prime is 1148086903. The next prime is 1148086921. The reversal of 1148086909 is 9096808411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011430809 + 136656100 = 31803^2 + 11690^2 .

It is an emirp because it is prime and its reverse (9096808411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148086909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148086903) 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 as a sum of consecutive naturals, namely, 574043454 + 574043455.

It is an arithmetic number, because the mean of its divisors is an integer number (574043455).

Almost surely, 2^1148086909 is an apocalyptic number.

It is an amenable number.

1148086909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148086909 is an equidigital number, since it uses as much as digits as its factorization.

1148086909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 1148086909 is about 33883.4311869386. The cubic root of 1148086909 is about 1047.1082668180.

It can be divided in two parts, 11480 and 86909, that added together give a palindrome (98389).

The spelling of 1148086909 in words is "one billion, one hundred forty-eight million, eighty-six thousand, nine hundred nine".