1121024 has 36 divisors (see below), whose sum is σ = 2330160. Its totient is φ = 537600.

The previous prime is 1121023. The next prime is 1121027. The reversal of 1121024 is 4201211.

It is a junction number, because it is equal to n+sod(n) for n = 1120996 and 1121014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121023) 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, 7349 + ... + 7499.

2^1121024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165080).

1121024 is an abundant number, since it is smaller than the sum of its proper divisors (1209136).

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

1121024 is an equidigital number, since it uses as much as digits as its factorization.

1121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1121024 is about 1058.7842084202. The cubic root of 1121024 is about 103.8815218842.

Adding to 1121024 its reverse (4201211), we get a palindrome (5322235).

The spelling of 1121024 in words is "one million, one hundred twenty-one thousand, twenty-four".