1425903 has 4 divisors (see below), whose sum is σ = 1901208. Its totient is φ = 950600.

The previous prime is 1425899. The next prime is 1425911. The reversal of 1425903 is 3095241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425903 - 2² = 1425899 is a prime.

It is a D-number.

1425903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425913) 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, 237648 + ... + 237653.

It is an arithmetic number, because the mean of its divisors is an integer number (475302).

2^1425903 is an apocalyptic number.

1425903 is a deficient number, since it is larger than the sum of its proper divisors (475305).

1425903 is an equidigital number, since it uses as much as digits as its factorization.

1425903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475304.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1425903 is about 1194.1118038107. Note that the first 3 decimals coincide. The cubic root of 1425903 is about 112.5546203903.

The spelling of 1425903 in words is "one million, four hundred twenty-five thousand, nine hundred three".