1228750806 has 8 divisors (see below), whose sum is σ = 2457501624. Its totient is φ = 409583600.

The previous prime is 1228750801. The next prime is 1228750807. The reversal of 1228750806 is 6080578221.

It is a sphenic number, since it is the product of 3 distinct primes.

1228750806 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228750801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102395895 + ... + 102395906.

It is an arithmetic number, because the mean of its divisors is an integer number (307187703).

Almost surely, 2^1228750806 is an apocalyptic number.

1228750806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1228750806 is a wasteful number, since it uses less digits than its factorization.

1228750806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204791806.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1228750806 is about 35053.5419893625. The cubic root of 1228750806 is about 1071.0784265013.

The spelling of 1228750806 in words is "one billion, two hundred twenty-eight million, seven hundred fifty thousand, eight hundred six".