1120818512 has 40 divisors (see below), whose sum is σ = 2493694560. Its totient is φ = 482647680.

The previous prime is 1120818511. The next prime is 1120818571. The reversal of 1120818512 is 2158180211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120818511) 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 7 ways as a sum of consecutive naturals, for example, 164243 + ... + 170930.

It is an arithmetic number, because the mean of its divisors is an integer number (62342364).

Almost surely, 2^1120818512 is an apocalyptic number.

It is an amenable number.

1120818512 is an abundant number, since it is smaller than the sum of its proper divisors (1372876048).

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

1120818512 is a wasteful number, since it uses less digits than its factorization.

1120818512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335211 (or 335205 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 29.

The square root of 1120818512 is about 33478.6276899158. The cubic root of 1120818512 is about 1038.7517420252.

Adding to 1120818512 its reverse (2158180211), we get a palindrome (3278998723).

The spelling of 1120818512 in words is "one billion, one hundred twenty million, eight hundred eighteen thousand, five hundred twelve".