1121136 has 20 divisors (see below), whose sum is σ = 2896392. Its totient is φ = 373696.

The previous prime is 1121101. The next prime is 1121143. The reversal of 1121136 is 6311211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11631 + ... + 11726.

2^1121136 is an apocalyptic number.

1121136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1121136 is an abundant number, since it is smaller than the sum of its proper divisors (1775256).

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

1121136 is a wasteful number, since it uses less digits than its factorization.

1121136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23368 (or 23362 counting only the distinct ones).

The product of its digits is 36, while the sum is 15.

The square root of 1121136 is about 1058.8370979523. The cubic root of 1121136 is about 103.8849813234.

Adding to 1121136 its reverse (6311211), we get a palindrome (7432347).

The spelling of 1121136 in words is "one million, one hundred twenty-one thousand, one hundred thirty-six".