1128242 has 8 divisors (see below), whose sum is σ = 1766016. Its totient is φ = 539572.

The previous prime is 1128233. The next prime is 1128247. The reversal of 1128242 is 2428211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1128247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12218 + ... + 12309.

It is an arithmetic number, because the mean of its divisors is an integer number (220752).

2^1128242 is an apocalyptic number.

1128242 is a deficient number, since it is larger than the sum of its proper divisors (637774).

1128242 is a wasteful number, since it uses less digits than its factorization.

1128242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24552.

The product of its digits is 256, while the sum is 20.

The square root of 1128242 is about 1062.1873657693. The cubic root of 1128242 is about 104.1040009929.

The spelling of 1128242 in words is "one million, one hundred twenty-eight thousand, two hundred forty-two".