1426903 has 4 divisors (see below), whose sum is σ = 1430568. Its totient is φ = 1423240.

The previous prime is 1426891. The next prime is 1426907. The reversal of 1426903 is 3096241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3096241 = 199 ⋅15559.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426903 is a prime.

It is a Duffinian number.

1426903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426907) 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 in 3 ways as a sum of consecutive naturals, for example, 1168 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (357642).

2^1426903 is an apocalyptic number.

1426903 is a deficient number, since it is larger than the sum of its proper divisors (3665).

1426903 is an equidigital number, since it uses as much as digits as its factorization.

1426903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1426903 is about 1194.5304516838. The cubic root of 1426903 is about 112.5809261345.

The spelling of 1426903 in words is "one million, four hundred twenty-six thousand, nine hundred three".