1128075620 has 24 divisors (see below), whose sum is σ = 2707381824. Its totient is φ = 386768736.

The previous prime is 1128075617. The next prime is 1128075629. The reversal of 1128075620 is 265708211.

It is not an unprimeable number, because it can be changed into a prime (1128075629) 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 7 ways as a sum of consecutive naturals, for example, 4028702 + ... + 4028981.

It is an arithmetic number, because the mean of its divisors is an integer number (112807576).

Almost surely, 2^1128075620 is an apocalyptic number.

1128075620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128075620 is an abundant number, since it is smaller than the sum of its proper divisors (1579306204).

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

1128075620 is a wasteful number, since it uses less digits than its factorization.

1128075620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8057699 (or 8057697 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1128075620 is about 33586.8370049935. The cubic root of 1128075620 is about 1040.9888339252.

The spelling of 1128075620 in words is "one billion, one hundred twenty-eight million, seventy-five thousand, six hundred twenty".