1425906 has 24 divisors (see below), whose sum is σ = 3174444. Its totient is φ = 462240.

The previous prime is 1425899. The next prime is 1425911. The reversal of 1425906 is 6095241.

It can be written as a sum of positive squares in 2 ways, for example, as 1083681 + 342225 = 1041^2 + 585^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425906.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 405 + ... + 1736.

2^1425906 is an apocalyptic number.

1425906 is an abundant number, since it is smaller than the sum of its proper divisors (1748538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425906 is a wasteful number, since it uses less digits than its factorization.

1425906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1425906 is about 1194.1130599738. The cubic root of 1425906 is about 112.5546993259.

The spelling of 1425906 in words is "one million, four hundred twenty-five thousand, nine hundred six".