1087903 has 2 divisors, whose sum is σ = 1087904. Its totient is φ = 1087902.

The previous prime is 1087897. The next prime is 1087907. The reversal of 1087903 is 3097801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1087903 - 2⁹ = 1087391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543951 + 543952.

It is an arithmetic number, because the mean of its divisors is an integer number (543952).

2^1087903 is an apocalyptic number.

1087903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087903 is an equidigital number, since it uses as much as digits as its factorization.

1087903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1087903 is about 1043.0258865436. The cubic root of 1087903 is about 102.8482069875.

The spelling of 1087903 in words is "one million, eighty-seven thousand, nine hundred three".