1121360 has 40 divisors (see below), whose sum is σ = 2651616. Its totient is φ = 440960.

The previous prime is 1121357. The next prime is 1121369. The reversal of 1121360 is 631211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8495 + ... + 8625.

2^1121360 is an apocalyptic number.

1121360 is a gapful number since it is divisible by the number (10) 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 1121360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325808).

1121360 is an abundant number, since it is smaller than the sum of its proper divisors (1530256).

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

1121360 is a wasteful number, since it uses less digits than its factorization.

1121360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1121360 is about 1058.9428690916. The cubic root of 1121360 is about 103.8918995106.

Adding to 1121360 its reverse (631211), we get a palindrome (1752571).

The spelling of 1121360 in words is "one million, one hundred twenty-one thousand, three hundred sixty".