1028706120 has 96 divisors (see below), whose sum is σ = 3600487800. Its totient is φ = 253218816.

The previous prime is 1028706103. The next prime is 1028706121. The reversal of 1028706120 is 216078201.

1028706120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 262634436 + 766071684 = 16206^2 + 27678^2 .

It is not an unprimeable number, because it can be changed into a prime (1028706121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105225 + ... + 114584.

Almost surely, 2^1028706120 is an apocalyptic number.

1028706120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028706120 is an abundant number, since it is smaller than the sum of its proper divisors (2571781680).

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

1028706120 is a wasteful number, since it uses less digits than its factorization.

1028706120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219839 (or 219832 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1028706120 is about 32073.4488323286. The cubic root of 1028706120 is about 1009.4785793376.

The spelling of 1028706120 in words is "one billion, twenty-eight million, seven hundred six thousand, one hundred twenty".