1282268780 has 48 divisors (see below), whose sum is σ = 2943222240. Its totient is φ = 466380288.

The previous prime is 1282268773. The next prime is 1282268797. The reversal of 1282268780 is 878622821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19385 + ... + 54224.

It is an arithmetic number, because the mean of its divisors is an integer number (61317130).

Almost surely, 2^1282268780 is an apocalyptic number.

1282268780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282268780 is an abundant number, since it is smaller than the sum of its proper divisors (1660953460).

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

1282268780 is a wasteful number, since it uses less digits than its factorization.

1282268780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73698 (or 73696 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 1282268780 is about 35808.7807667337. The cubic root of 1282268780 is about 1086.4081697018.

The spelling of 1282268780 in words is "one billion, two hundred eighty-two million, two hundred sixty-eight thousand, seven hundred eighty".