1385099 has 2 divisors, whose sum is σ = 1385100. Its totient is φ = 1385098.

The previous prime is 1385093. The next prime is 1385101. The reversal of 1385099 is 9905831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1385099 - 2⁸ = 1384843 is a prime.

It is a Sophie Germain prime.

Together with 1385101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1385093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692549 + 692550.

It is an arithmetic number, because the mean of its divisors is an integer number (692550).

2^1385099 is an apocalyptic number.

1385099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385099 is an equidigital number, since it uses as much as digits as its factorization.

1385099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1385099 is about 1176.9022899120. The cubic root of 1385099 is about 111.4705828406.

The spelling of 1385099 in words is "one million, three hundred eighty-five thousand, ninety-nine".