1120909986 has 72 divisors (see below), whose sum is σ = 2861089920. Its totient is φ = 316186416.

The previous prime is 1120909969. The next prime is 1120910009. The reversal of 1120909986 is 6899090211.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 61635 + ... + 77721.

It is an arithmetic number, because the mean of its divisors is an integer number (39737360).

Almost surely, 2^1120909986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120909986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430544960).

1120909986 is an abundant number, since it is smaller than the sum of its proper divisors (1740179934).

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

1120909986 is a wasteful number, since it uses less digits than its factorization.

1120909986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16188 (or 16178 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 1120909986 is about 33479.9938172037. The cubic root of 1120909986 is about 1038.7800000024.

The spelling of 1120909986 in words is "one billion, one hundred twenty million, nine hundred nine thousand, nine hundred eighty-six".