1120842 has 24 divisors (see below), whose sum is σ = 2464644. Its totient is φ = 368064.

The previous prime is 1120837. The next prime is 1120849. The reversal of 1120842 is 2480211.

It can be written as a sum of positive squares in 2 ways, for example, as 1058841 + 62001 = 1029^2 + 249^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1120849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888 + ... + 1740.

2^1120842 is an apocalyptic number.

1120842 is an abundant number, since it is smaller than the sum of its proper divisors (1343802).

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

1120842 is a wasteful number, since it uses less digits than its factorization.

1120842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 931 counting only the distinct ones).

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

The square root of 1120842 is about 1058.6982572953. The cubic root of 1120842 is about 103.8758998041.

The spelling of 1120842 in words is "one million, one hundred twenty thousand, eight hundred forty-two".