1128310620 has 24 divisors (see below), whose sum is σ = 3159269904. Its totient is φ = 300882816.

The previous prime is 1128310567. The next prime is 1128310633. The reversal of 1128310620 is 260138211.

It is a congruent number.

It is an unprimeable number.

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, 9402529 + ... + 9402648.

It is an arithmetic number, because the mean of its divisors is an integer number (131636246).

Almost surely, 2^1128310620 is an apocalyptic number.

1128310620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128310620 is an abundant number, since it is smaller than the sum of its proper divisors (2030959284).

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

1128310620 is a wasteful number, since it uses less digits than its factorization.

1128310620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18805189 (or 18805187 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1128310620 is about 33590.3352171424. The cubic root of 1128310620 is about 1041.0611149515.

Adding to 1128310620 its reverse (260138211), we get a palindrome (1388448831).

The spelling of 1128310620 in words is "one billion, one hundred twenty-eight million, three hundred ten thousand, six hundred twenty".