1120521006 has 96 divisors (see below), whose sum is σ = 2771677440. Its totient is φ = 332715600.

The previous prime is 1120520993. The next prime is 1120521007. The reversal of 1120521006 is 6001250211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1120521006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120521007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6874281 + ... + 6874443.

It is an arithmetic number, because the mean of its divisors is an integer number (28871640).

Almost surely, 2^1120521006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120521006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385838720).

1120521006 is an abundant number, since it is smaller than the sum of its proper divisors (1651156434).

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

1120521006 is a wasteful number, since it uses less digits than its factorization.

1120521006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1120521006 is about 33474.1841722842. The cubic root of 1120521006 is about 1038.6598263940.

Adding to 1120521006 its reverse (6001250211), we get a palindrome (7121771217).

The spelling of 1120521006 in words is "one billion, one hundred twenty million, five hundred twenty-one thousand, six".