1280411226 has 28 divisors (see below), whose sum is σ = 2879611242. Its totient is φ = 426803256.

The previous prime is 1280411213. The next prime is 1280411243. The reversal of 1280411226 is 6221140821.

1280411226 is a `hidden beast` number, since 1 + 28 + 0 + 411 + 226 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1006475625 + 273935601 = 31725^2 + 16551^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1280411226.

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 13 ways as a sum of consecutive naturals, for example, 437641 + ... + 440556.

Almost surely, 2^1280411226 is an apocalyptic number.

1280411226 is an abundant number, since it is smaller than the sum of its proper divisors (1599200016).

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

1280411226 is an frugal number, since it uses more digits than its factorization.

1280411226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878217 (or 878202 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1280411226 is about 35782.8342365442. The cubic root of 1280411226 is about 1085.8833090944.

The spelling of 1280411226 in words is "one billion, two hundred eighty million, four hundred eleven thousand, two hundred twenty-six".