1425800 has 24 divisors (see below), whose sum is σ = 3315450. Its totient is φ = 570240.

The previous prime is 1425797. The next prime is 1425811. The reversal of 1425800 is 85241.

It can be written as a sum of positive squares in 3 ways, for example, as 1136356 + 289444 = 1066^2 + 538^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3365 + ... + 3764.

2^1425800 is an apocalyptic number.

1425800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425800 is an abundant number, since it is smaller than the sum of its proper divisors (1889650).

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

1425800 is a wasteful number, since it uses less digits than its factorization.

1425800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145 (or 7136 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1425800 is about 1194.0686747420. The cubic root of 1425800 is about 112.5519102001.

The spelling of 1425800 in words is "one million, four hundred twenty-five thousand, eight hundred".