1280564096 has 32 divisors (see below), whose sum is σ = 2915572080. Its totient is φ = 548812800.

The previous prime is 1280564069. The next prime is 1280564119. The reversal of 1280564096 is 6904650821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713705 + ... + 715496.

Almost surely, 2^1280564096 is an apocalyptic number.

1280564096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1280564096 is an abundant number, since it is smaller than the sum of its proper divisors (1635007984).

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

1280564096 is an equidigital number, since it uses as much as digits as its factorization.

1280564096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429222 (or 1429210 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1280564096 is about 35784.9702528869. The cubic root of 1280564096 is about 1085.9265223924.

The spelling of 1280564096 in words is "one billion, two hundred eighty million, five hundred sixty-four thousand, ninety-six".