1148338987 has 2 divisors, whose sum is σ = 1148338988. Its totient is φ = 1148338986.

The previous prime is 1148338943. The next prime is 1148338991. The reversal of 1148338987 is 7898338411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1148338987 - 2¹⁹ = 1147814699 is a prime.

It is a super-3 number, since 3×1148338987³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1148338937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574169493 + 574169494.

It is an arithmetic number, because the mean of its divisors is an integer number (574169494).

Almost surely, 2^1148338987 is an apocalyptic number.

1148338987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148338987 is an equidigital number, since it uses as much as digits as its factorization.

1148338987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 52.

The square root of 1148338987 is about 33887.1507654450. The cubic root of 1148338987 is about 1047.1848968013.

The spelling of 1148338987 in words is "one billion, one hundred forty-eight million, three hundred thirty-eight thousand, nine hundred eighty-seven".