1128478 has 8 divisors (see below), whose sum is σ = 1822968. Its totient is φ = 520824.

The previous prime is 1128451. The next prime is 1128497. The reversal of 1128478 is 8748211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21676 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (227871).

2^1128478 is an apocalyptic number.

1128478 is a deficient number, since it is larger than the sum of its proper divisors (694490).

1128478 is a wasteful number, since it uses less digits than its factorization.

1128478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43418.

The product of its digits is 3584, while the sum is 31.

The square root of 1128478 is about 1062.2984514721. The cubic root of 1128478 is about 104.1112591377. Note that the first 3 decimals are identical.

The spelling of 1128478 in words is "one million, one hundred twenty-eight thousand, four hundred seventy-eight".