1282420877180 has 24 divisors (see below), whose sum is σ = 2758768815600. Its totient is φ = 500456927360.

The previous prime is 1282420877167. The next prime is 1282420877197. The reversal of 1282420877180 is 817780242821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781963130 + ... + 781964769.

It is an arithmetic number, because the mean of its divisors is an integer number (114948700650).

Almost surely, 2^{1282420877180} is an apocalyptic number.

1282420877180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282420877180 is an abundant number, since it is smaller than the sum of its proper divisors (1476347938420).

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

1282420877180 is a wasteful number, since it uses less digits than its factorization.

1282420877180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563927949 (or 1563927947 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 50.

The spelling of 1282420877180 in words is "one trillion, two hundred eighty-two billion, four hundred twenty million, eight hundred seventy-seven thousand, one hundred eighty".