1121376 has 24 divisors (see below), whose sum is σ = 2943864. Its totient is φ = 373760.

The previous prime is 1121369. The next prime is 1121377. The reversal of 1121376 is 6731211.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121377) 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 3 ways as a sum of consecutive naturals, for example, 5745 + ... + 5936.

It is an arithmetic number, because the mean of its divisors is an integer number (122661).

2^1121376 is an apocalyptic number.

1121376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1121376 is an abundant number, since it is smaller than the sum of its proper divisors (1822488).

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

1121376 is a wasteful number, since it uses less digits than its factorization.

1121376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11694 (or 11686 counting only the distinct ones).

The product of its digits is 252, while the sum is 21.

The square root of 1121376 is about 1058.9504237687. The cubic root of 1121376 is about 103.8923936316.

Adding to 1121376 its reverse (6731211), we get a palindrome (7852587).

The spelling of 1121376 in words is "one million, one hundred twenty-one thousand, three hundred seventy-six".