1285244484 has 12 divisors (see below), whose sum is σ = 2998903824. Its totient is φ = 428414824.

The previous prime is 1285244479. The next prime is 1285244549. The reversal of 1285244484 is 4844425821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 53551842 + ... + 53551865.

It is an arithmetic number, because the mean of its divisors is an integer number (249908652).

Almost surely, 2^1285244484 is an apocalyptic number.

It is an amenable number.

1285244484 is an abundant number, since it is smaller than the sum of its proper divisors (1713659340).

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

1285244484 is a wasteful number, since it uses less digits than its factorization.

1285244484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107103714 (or 107103712 counting only the distinct ones).

The product of its digits is 327680, while the sum is 42.

The square root of 1285244484 is about 35850.3066095675. The cubic root of 1285244484 is about 1087.2479134552.

The spelling of 1285244484 in words is "one billion, two hundred eighty-five million, two hundred forty-four thousand, four hundred eighty-four".