1425204 has 72 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 417600.

The previous prime is 1425199. The next prime is 1425217. The reversal of 1425204 is 4025241.

1425204 is a `hidden beast` number, since 142 + 520 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23334 + ... + 23394.

It is an arithmetic number, because the mean of its divisors is an integer number (56420).

2^1425204 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 1425204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031120).

1425204 is an abundant number, since it is smaller than the sum of its proper divisors (2637036).

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

1425204 is a wasteful number, since it uses less digits than its factorization.

1425204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 136 counting only the distinct ones).

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

The square root of 1425204 is about 1193.8190817708. The cubic root of 1425204 is about 112.5362253711.

The spelling of 1425204 in words is "one million, four hundred twenty-five thousand, two hundred four".