1425807 has 12 divisors (see below), whose sum is σ = 2180880. Its totient is φ = 894528.

The previous prime is 1425797. The next prime is 1425811. The reversal of 1425807 is 7085241.

It is not a de Polignac number, because 1425807 - 2⁴ = 1425791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425877) 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 in 11 ways as a sum of consecutive naturals, for example, 4507 + ... + 4812.

It is an arithmetic number, because the mean of its divisors is an integer number (181740).

2^1425807 is an apocalyptic number.

1425807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1425807 is a deficient number, since it is larger than the sum of its proper divisors (755073).

1425807 is a wasteful number, since it uses less digits than its factorization.

1425807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342 (or 9339 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1425807 is about 1194.0716058930. The cubic root of 1425807 is about 112.5520943919.

The spelling of 1425807 in words is "one million, four hundred twenty-five thousand, eight hundred seven".