1138673 has 2 divisors, whose sum is σ = 1138674. Its totient is φ = 1138672.

The previous prime is 1138667. The next prime is 1138679. The reversal of 1138673 is 3768311.

It is a balanced prime because it is at equal distance from previous prime (1138667) and next prime (1138679).

It can be written as a sum of positive squares in only one way, i.e., 652864 + 485809 = 808^2 + 697^2 .

It is an emirp because it is prime and its reverse (3768311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1138673 - 2¹⁸ = 876529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138679) 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, 569336 + 569337.

It is an arithmetic number, because the mean of its divisors is an integer number (569337).

2^1138673 is an apocalyptic number.

It is an amenable number.

1138673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138673 is an equidigital number, since it uses as much as digits as its factorization.

1138673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 1138673 is about 1067.0862195718. The cubic root of 1138673 is about 104.4238435385.

The spelling of 1138673 in words is "one million, one hundred thirty-eight thousand, six hundred seventy-three".