1280463260 has 24 divisors (see below), whose sum is σ = 2692996656. Its totient is φ = 511418880.

The previous prime is 1280463259. The next prime is 1280463271. The reversal of 1280463260 is 623640821.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34106 + ... + 61025.

It is an arithmetic number, because the mean of its divisors is an integer number (112208194).

Almost surely, 2^1280463260 is an apocalyptic number.

1280463260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1280463260 is an abundant number, since it is smaller than the sum of its proper divisors (1412533396).

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

1280463260 is a wasteful number, since it uses less digits than its factorization.

1280463260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95813 (or 95811 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1280463260 is about 35783.5613096293. The cubic root of 1280463260 is about 1085.8980184538.

The spelling of 1280463260 in words is "one billion, two hundred eighty million, four hundred sixty-three thousand, two hundred sixty".