1012903 has 2 divisors, whose sum is σ = 1012904. Its totient is φ = 1012902.

The previous prime is 1012861. The next prime is 1012919. The reversal of 1012903 is 3092101.

It is an a-pointer prime, because the next prime (1012919) can be obtained adding 1012903 to its sum of digits (16).

It is a strong prime.

It is an emirp because it is prime and its reverse (3092101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012903 is a prime.

It is an alternating number because its digits alternate between odd and even.

1012903 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012993) 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, 506451 + 506452.

It is an arithmetic number, because the mean of its divisors is an integer number (506452).

2^1012903 is an apocalyptic number.

1012903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012903 is an equidigital number, since it uses as much as digits as its factorization.

1012903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1012903 is about 1006.4308222625. The cubic root of 1012903 is about 100.4282632873.

The spelling of 1012903 in words is "one million, twelve thousand, nine hundred three".