1425320512 has 112 divisors (see below), whose sum is σ = 3622048128. Its totient is φ = 540241920.

The previous prime is 1425320509. The next prime is 1425320521. The reversal of 1425320512 is 2150235241.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 178428 + ... + 186244.

Almost surely, 2^1425320512 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 1425320512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811024064).

1425320512 is an abundant number, since it is smaller than the sum of its proper divisors (2196727616).

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

1425320512 is a wasteful number, since it uses less digits than its factorization.

1425320512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884 (or 7874 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1425320512 is about 37753.4172228157. The cubic root of 1425320512 is about 1125.3929194108.

Adding to 1425320512 its reverse (2150235241), we get a palindrome (3575555753).

The spelling of 1425320512 in words is "one billion, four hundred twenty-five million, three hundred twenty thousand, five hundred twelve".