1338128 has 20 divisors (see below), whose sum is σ = 2828688. Its totient is φ = 608160.

The previous prime is 1338109. The next prime is 1338167. The reversal of 1338128 is 8218331.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1338097 and 1338106.

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, 3626 + ... + 3977.

2^1338128 is an apocalyptic number.

It is an amenable number.

1338128 is an abundant number, since it is smaller than the sum of its proper divisors (1490560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338128 is a wasteful number, since it uses less digits than its factorization.

1338128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622 (or 7616 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 1338128 is about 1156.7748268354. The cubic root of 1338128 is about 110.1960141421.

The spelling of 1338128 in words is "one million, three hundred thirty-eight thousand, one hundred twenty-eight".