1425000 has 96 divisors (see below), whose sum is σ = 4687200. Its totient is φ = 360000.

The previous prime is 1424989. The next prime is 1425007. The reversal of 1425000 is 5241.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1425007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74991 + ... + 75009.

It is an arithmetic number, because the mean of its divisors is an integer number (48825).

2^1425000 is an apocalyptic number.

1425000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343600).

1425000 is an abundant number, since it is smaller than the sum of its proper divisors (3262200).

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

1425000 is an equidigital number, since it uses as much as digits as its factorization.

1425000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1425000 is about 1193.7336386313. The cubic root of 1425000 is about 112.5308557339.

The spelling of 1425000 in words is "one million, four hundred twenty-five thousand".