1425456 has 60 divisors (see below), whose sum is σ = 4207320. Its totient is φ = 449280.

The previous prime is 1425451. The next prime is 1425469. The reversal of 1425456 is 6545241.

It is not an unprimeable number, because it can be changed into a prime (1425451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2476 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (70122).

2^1425456 is an apocalyptic number.

1425456 is a gapful number since it is divisible by the number (16) 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 1425456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2103660).

1425456 is an abundant number, since it is smaller than the sum of its proper divisors (2781864).

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

1425456 is a wasteful number, since it uses less digits than its factorization.

1425456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 545 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1425456 is about 1193.9246207362. The cubic root of 1425456 is about 112.5428577450.

It can be divided in two parts, 1425 and 456, that added together give a palindrome (1881).

The spelling of 1425456 in words is "one million, four hundred twenty-five thousand, four hundred fifty-six".