1128475 has 6 divisors (see below), whose sum is σ = 1399340. Its totient is φ = 902760.

The previous prime is 1128451. The next prime is 1128497. The reversal of 1128475 is 5748211.

It is a de Polignac number, because none of the positive numbers 2^k-1128475 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22545 + ... + 22594.

2^1128475 is an apocalyptic number.

1128475 is a deficient number, since it is larger than the sum of its proper divisors (270865).

1128475 is an equidigital number, since it uses as much as digits as its factorization.

1128475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45149 (or 45144 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 1128475 is about 1062.2970394386. The cubic root of 1128475 is about 104.1111668795. Note that the first 4 decimals are identical.

The spelling of 1128475 in words is "one million, one hundred twenty-eight thousand, four hundred seventy-five".