1120988869 has 32 divisors (see below), whose sum is σ = 1537191936. Its totient is φ = 789117120.

The previous prime is 1120988821. The next prime is 1120988873. The reversal of 1120988869 is 9688890211.

It is not a de Polignac number, because 1120988869 - 2¹⁵ = 1120956101 is a prime.

It is a super-2 number, since 2×1120988869² = 2513232088843798322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120988899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35134 + ... + 58960.

It is an arithmetic number, because the mean of its divisors is an integer number (48037248).

Almost surely, 2^1120988869 is an apocalyptic number.

It is an amenable number.

1120988869 is a deficient number, since it is larger than the sum of its proper divisors (416203067).

1120988869 is a wasteful number, since it uses less digits than its factorization.

1120988869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23905.

The product of its (nonzero) digits is 497664, while the sum is 52.

The square root of 1120988869 is about 33481.1718582250. The cubic root of 1120988869 is about 1038.8043671570.

It can be divided in two parts, 1120 and 988869, that added together give a palindrome (989989).

The spelling of 1120988869 in words is "one billion, one hundred twenty million, nine hundred eighty-eight thousand, eight hundred sixty-nine".