1075491128 has 16 divisors (see below), whose sum is σ = 2135166480. Its totient is φ = 506113408.

The previous prime is 1075491113. The next prime is 1075491139. The reversal of 1075491128 is 8211945701.

It is a junction number, because it is equal to n+sod(n) for n = 1075491091 and 1075491100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3953876 + ... + 3954147.

It is an arithmetic number, because the mean of its divisors is an integer number (133447905).

Almost surely, 2^1075491128 is an apocalyptic number.

It is an amenable number.

1075491128 is a deficient number, since it is larger than the sum of its proper divisors (1059675352).

1075491128 is a wasteful number, since it uses less digits than its factorization.

1075491128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908046 (or 7908042 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1075491128 is about 32794.6813980560. The cubic root of 1075491128 is about 1024.5557870515. Note that the first 3 decimals are identical.

The spelling of 1075491128 in words is "one billion, seventy-five million, four hundred ninety-one thousand, one hundred twenty-eight".