1101223032 has 128 divisors (see below), whose sum is σ = 3505420800. Its totient is φ = 280401408.

The previous prime is 1101223021. The next prime is 1101223037. The reversal of 1101223032 is 2303221011.

It is a super-3 number, since 3×1101223032³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101223037) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 54643 + ... + 72029.

It is an arithmetic number, because the mean of its divisors is an integer number (27386100).

Almost surely, 2^1101223032 is an apocalyptic number.

1101223032 is a gapful number since it is divisible by the number (12) 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 1101223032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752710400).

1101223032 is an abundant number, since it is smaller than the sum of its proper divisors (2404197768).

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

1101223032 is a wasteful number, since it uses less digits than its factorization.

1101223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17445 (or 17441 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1101223032 is about 33184.6806825077. The cubic root of 1101223032 is about 1032.6625530310.

Adding to 1101223032 its reverse (2303221011), we get a palindrome (3404444043).

The spelling of 1101223032 in words is "one billion, one hundred one million, two hundred twenty-three thousand, thirty-two".