1238089 has 2 divisors, whose sum is σ = 1238090. Its totient is φ = 1238088.

The previous prime is 1238087. The next prime is 1238101. The reversal of 1238089 is 9808321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 585225 = 808^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1238089 - 2¹ = 1238087 is a prime.

Together with 1238087, 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 1238089.

It is not a weakly prime, because it can be changed into another prime (1238087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619044 + 619045.

It is an arithmetic number, because the mean of its divisors is an integer number (619045).

2^1238089 is an apocalyptic number.

It is an amenable number.

1238089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238089 is an equidigital number, since it uses as much as digits as its factorization.

1238089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1238089 is about 1112.6944773836. The cubic root of 1238089 is about 107.3784889881.

The spelling of 1238089 in words is "one million, two hundred thirty-eight thousand, eighty-nine".