1282456896 has 56 divisors (see below), whose sum is σ = 3877909440. Its totient is φ = 366415872.

The previous prime is 1282456891. The next prime is 1282456907. The reversal of 1282456896 is 6986542821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282456891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 475761 + ... + 478448.

Almost surely, 2^1282456896 is an apocalyptic number.

1282456896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1282456896 is an abundant number, since it is smaller than the sum of its proper divisors (2595452544).

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

1282456896 is an equidigital number, since it uses as much as digits as its factorization.

1282456896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954231 (or 954221 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 1282456896 is about 35811.4073445878. The cubic root of 1282456896 is about 1086.4612944885.

The spelling of 1282456896 in words is "one billion, two hundred eighty-two million, four hundred fifty-six thousand, eight hundred ninety-six".