1148057839 has 2 divisors, whose sum is σ = 1148057840. Its totient is φ = 1148057838.

The previous prime is 1148057831. The next prime is 1148057863. The reversal of 1148057839 is 9387508411.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9387508411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1148057839 - 2³ = 1148057831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148057831) 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, 574028919 + 574028920.

It is an arithmetic number, because the mean of its divisors is an integer number (574028920).

Almost surely, 2^1148057839 is an apocalyptic number.

1148057839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148057839 is an equidigital number, since it uses as much as digits as its factorization.

1148057839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1148057839 is about 33883.0022134993. The cubic root of 1148057839 is about 1047.0994290160.

The spelling of 1148057839 in words is "one billion, one hundred forty-eight million, fifty-seven thousand, eight hundred thirty-nine".