1121010032 has 40 divisors (see below), whose sum is σ = 2291557200. Its totient is φ = 529777152.

The previous prime is 1121009999. The next prime is 1121010061. The reversal of 1121010032 is 2300101211.

It is a junction number, because it is equal to n+sod(n) for n = 1121009995 and 1121010022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134894 + ... + 142962.

It is an arithmetic number, because the mean of its divisors is an integer number (57288930).

Almost surely, 2^1121010032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121010032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145778600).

1121010032 is an abundant number, since it is smaller than the sum of its proper divisors (1170547168).

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

1121010032 is a wasteful number, since it uses less digits than its factorization.

1121010032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553 (or 8547 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1121010032 is about 33481.4879000322. The cubic root of 1121010032 is about 1038.8109042657.

Adding to 1121010032 its reverse (2300101211), we get a palindrome (3421111243).

The spelling of 1121010032 in words is "one billion, one hundred twenty-one million, ten thousand, thirty-two".