1085438803 has 2 divisors, whose sum is σ = 1085438804. Its totient is φ = 1085438802.

The previous prime is 1085438801. The next prime is 1085438857. The reversal of 1085438803 is 3088345801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1085438803 - 2¹ = 1085438801 is a prime.

Together with 1085438801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1085438801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542719401 + 542719402.

It is an arithmetic number, because the mean of its divisors is an integer number (542719402).

Almost surely, 2^1085438803 is an apocalyptic number.

1085438803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085438803 is an equidigital number, since it uses as much as digits as its factorization.

1085438803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1085438803 is about 32945.9982850725. The cubic root of 1085438803 is about 1027.7049483927.

The spelling of 1085438803 in words is "one billion, eighty-five million, four hundred thirty-eight thousand, eight hundred three".