1121484 has 72 divisors (see below), whose sum is σ = 3279360. Its totient is φ = 292032.

The previous prime is 1121453. The next prime is 1121509. The reversal of 1121484 is 4841211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1121484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14157 + ... + 14235.

2^1121484 is an apocalyptic number.

1121484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639680).

1121484 is an abundant number, since it is smaller than the sum of its proper divisors (2157876).

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

1121484 is a wasteful number, since it uses less digits than its factorization.

1121484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 104 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1121484 is about 1059.0014164296. The cubic root of 1121484 is about 103.8957288252.

Adding to 1121484 its reverse (4841211), we get a palindrome (5962695).

It can be divided in two parts, 112 and 1484, that added together give a triangular number (1596 = T₅₆).

The spelling of 1121484 in words is "one million, one hundred twenty-one thousand, four hundred eighty-four".