1128433775 has 24 divisors (see below), whose sum is σ = 1638165984. Its totient is φ = 754905600.

The previous prime is 1128433753. The next prime is 1128433799. The reversal of 1128433775 is 5773348211.

It is not a de Polignac number, because 1128433775 - 2⁸ = 1128433519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 23 ways as a sum of consecutive naturals, for example, 71462 + ... + 85811.

It is an arithmetic number, because the mean of its divisors is an integer number (68256916).

Almost surely, 2^1128433775 is an apocalyptic number.

1128433775 is a deficient number, since it is larger than the sum of its proper divisors (509732209).

1128433775 is a wasteful number, since it uses less digits than its factorization.

1128433775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157331 (or 157326 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 1128433775 is about 33592.1683581159. The cubic root of 1128433775 is about 1041.0989908150.

The spelling of 1128433775 in words is "one billion, one hundred twenty-eight million, four hundred thirty-three thousand, seven hundred seventy-five".