1425024 has 48 divisors (see below), whose sum is σ = 4103970. Its totient is φ = 474624.

The previous prime is 1425007. The next prime is 1425029. The reversal of 1425024 is 4205241.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 360000 = 1032^2 + 600^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1424988 and 1425006.

It is not an unprimeable number, because it can be changed into a prime (1425029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 534 + ... + 1770.

2^1425024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2051985).

1425024 is an abundant number, since it is smaller than the sum of its proper divisors (2678946).

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

1425024 is a wasteful number, since it uses less digits than its factorization.

1425024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1425024 is about 1193.7436910828. The cubic root of 1425024 is about 112.5314874825.

The spelling of 1425024 in words is "one million, four hundred twenty-five thousand, twenty-four".