1425788 has 24 divisors (see below), whose sum is σ = 3071712. Its totient is φ = 563904.

The previous prime is 1425769. The next prime is 1425791. The reversal of 1425788 is 8875241.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1595 + ... + 2322.

It is an arithmetic number, because the mean of its divisors is an integer number (127988).

2^1425788 is an apocalyptic number.

It is an amenable number.

1425788 is an abundant number, since it is smaller than the sum of its proper divisors (1645924).

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

1425788 is a wasteful number, since it uses less digits than its factorization.

1425788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941 (or 3939 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 1425788 is about 1194.0636498948. The cubic root of 1425788 is about 112.5515944413.

It can be divided in two parts, 142578 and 8, that multiplied together give a square (1140624 = 1068²).

The spelling of 1425788 in words is "one million, four hundred twenty-five thousand, seven hundred eighty-eight".