1128418 has 8 divisors (see below), whose sum is σ = 1707948. Its totient is φ = 559104.

The previous prime is 1128397. The next prime is 1128427. The reversal of 1128418 is 8148211.

It can be written as a sum of positive squares in 2 ways, for example, as 954529 + 173889 = 977^2 + 417^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1128392 and 1128401.

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, 2271 + ... + 2722.

2^1128418 is an apocalyptic number.

1128418 is a deficient number, since it is larger than the sum of its proper divisors (579530).

1128418 is a wasteful number, since it uses less digits than its factorization.

1128418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108.

The product of its digits is 512, while the sum is 25.

The square root of 1128418 is about 1062.2702104455. The cubic root of 1128418 is about 104.1094139426.

The spelling of 1128418 in words is "one million, one hundred twenty-eight thousand, four hundred eighteen".