1227041280 has 240 divisors, whose sum is σ = 4474847520. Its totient is φ = 309878784.

The previous prime is 1227041279. The next prime is 1227041293. The reversal of 1227041280 is 821407221.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436359 + ... + 439161.

It is an arithmetic number, because the mean of its divisors is an integer number (18645198).

Almost surely, 2^1227041280 is an apocalyptic number.

1227041280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227041280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2237423760).

1227041280 is an abundant number, since it is smaller than the sum of its proper divisors (3247806240).

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

1227041280 is a wasteful number, since it uses less digits than its factorization.

1227041280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 1227041280 is about 35029.1490047931. The cubic root of 1227041280 is about 1070.5814756624.

The spelling of 1227041280 in words is "one billion, two hundred twenty-seven million, forty-one thousand, two hundred eighty".