1121433312 has 48 divisors (see below), whose sum is σ = 3015572112. Its totient is φ = 364692480.

The previous prime is 1121433283. The next prime is 1121433319. The reversal of 1121433312 is 2133341211.

1121433312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1121433312² = 2515225346526578688, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121433319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138523 + ... + 146394.

It is an arithmetic number, because the mean of its divisors is an integer number (62824419).

Almost surely, 2^1121433312 is an apocalyptic number.

1121433312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121433312 is an abundant number, since it is smaller than the sum of its proper divisors (1894138800).

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

1121433312 is a wasteful number, since it uses less digits than its factorization.

1121433312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284971 (or 284963 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 1121433312 is about 33487.8084084343. The cubic root of 1121433312 is about 1038.9416353433.

Adding to 1121433312 its reverse (2133341211), we get a palindrome (3254774523).

The spelling of 1121433312 in words is "one billion, one hundred twenty-one million, four hundred thirty-three thousand, three hundred twelve".