1128632875 has 16 divisors (see below), whose sum is σ = 1457108640. Its totient is φ = 871768800.

The previous prime is 1128632863. The next prime is 1128632917. The reversal of 1128632875 is 5782368211.

It is not a de Polignac number, because 1128632875 - 2¹³ = 1128624683 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 152049 + ... + 159298.

It is an arithmetic number, because the mean of its divisors is an integer number (91069290).

Almost surely, 2^1128632875 is an apocalyptic number.

1128632875 is a deficient number, since it is larger than the sum of its proper divisors (328475765).

1128632875 is an equidigital number, since it uses as much as digits as its factorization.

1128632875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311391 (or 311381 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 1128632875 is about 33595.1317157710. The cubic root of 1128632875 is about 1041.1602174532.

The spelling of 1128632875 in words is "one billion, one hundred twenty-eight million, six hundred thirty-two thousand, eight hundred seventy-five".