1148089 has 2 divisors, whose sum is σ = 1148090. Its totient is φ = 1148088.

The previous prime is 1148087. The next prime is 1148099. The reversal of 1148089 is 9808411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984064 + 164025 = 992^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148089 - 2¹ = 1148087 is a prime.

Together with 1148087, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1148089.

It is not a weakly prime, because it can be changed into another prime (1148087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574044 + 574045.

It is an arithmetic number, because the mean of its divisors is an integer number (574045).

2^1148089 is an apocalyptic number.

It is an amenable number.

1148089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148089 is an equidigital number, since it uses as much as digits as its factorization.

1148089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1148089 is about 1071.4891506684. The cubic root of 1148089 is about 104.7108902514.

The spelling of 1148089 in words is "one million, one hundred forty-eight thousand, eighty-nine".