1121727712 has 24 divisors (see below), whose sum is σ = 2523887856. Its totient is φ = 480740352.

The previous prime is 1121727701. The next prime is 1121727721. The reversal of 1121727712 is 2177271211.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503633 + ... + 2504080.

It is an arithmetic number, because the mean of its divisors is an integer number (105161994).

Almost surely, 2^1121727712 is an apocalyptic number.

It is an amenable number.

1121727712 is an abundant number, since it is smaller than the sum of its proper divisors (1402160144).

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

1121727712 is an equidigital number, since it uses as much as digits as its factorization.

1121727712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007730 (or 5007722 counting only the distinct ones).

The product of its digits is 2744, while the sum is 31.

The square root of 1121727712 is about 33492.2037495295. The cubic root of 1121727712 is about 1039.0325421179.

Adding to 1121727712 its reverse (2177271211), we get a palindrome (3298998923).

The spelling of 1121727712 in words is "one billion, one hundred twenty-one million, seven hundred twenty-seven thousand, seven hundred twelve".