1145803 has 2 divisors, whose sum is σ = 1145804. Its totient is φ = 1145802.

The previous prime is 1145801. The next prime is 1145831. The reversal of 1145803 is 3085411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145803 - 2¹ = 1145801 is a prime.

Together with 1145801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1145801) 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, 572901 + 572902.

It is an arithmetic number, because the mean of its divisors is an integer number (572902).

2^1145803 is an apocalyptic number.

1145803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145803 is an equidigital number, since it uses as much as digits as its factorization.

1145803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1145803 is about 1070.4218794475. The cubic root of 1145803 is about 104.6413462401.

The spelling of 1145803 in words is "one million, one hundred forty-five thousand, eight hundred three".