1228703080 has 64 divisors (see below), whose sum is σ = 3019913280. Its totient is φ = 446208000.

The previous prime is 1228703009. The next prime is 1228703083. The reversal of 1228703080 is 803078221.

It is a super-2 number, since 2×1228703080² = 3019422517602972800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1228703083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 461112 + ... + 463768.

It is an arithmetic number, because the mean of its divisors is an integer number (47186145).

Almost surely, 2^1228703080 is an apocalyptic number.

1228703080 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 1228703080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509956640).

1228703080 is an abundant number, since it is smaller than the sum of its proper divisors (1791210200).

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

1228703080 is a wasteful number, since it uses less digits than its factorization.

1228703080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1228703080 is about 35052.8612241569. The cubic root of 1228703080 is about 1071.0645590432.

The spelling of 1228703080 in words is "one billion, two hundred twenty-eight million, seven hundred three thousand, eighty".