1128042 has 24 divisors (see below), whose sum is σ = 2529540. Its totient is φ = 362880.

The previous prime is 1128037. The next prime is 1128089. The reversal of 1128042 is 2408211.

It can be written as a sum of positive squares in 2 ways, for example, as 1121481 + 6561 = 1059^2 + 81^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559 + ... + 1602.

2^1128042 is an apocalyptic number.

1128042 is an abundant number, since it is smaller than the sum of its proper divisors (1401498).

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

1128042 is a wasteful number, since it uses less digits than its factorization.

1128042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1128042 is about 1062.0932162480. The cubic root of 1128042 is about 104.0978492304.

The spelling of 1128042 in words is "one million, one hundred twenty-eight thousand, forty-two".