1118920960 has 72 divisors (see below), whose sum is σ = 2837877336. Its totient is φ = 421232640.

The previous prime is 1118920939. The next prime is 1118920967. The reversal of 1118920960 is 690298111.

It can be written as a sum of positive squares in 4 ways, for example, as 281165824 + 837755136 = 16768^2 + 28944^2 .

It is a super-2 number, since 2×1118920960² = 2503968229454643200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1118920967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3951 + ... + 47470.

It is an arithmetic number, because the mean of its divisors is an integer number (39414963).

Almost surely, 2^1118920960 is an apocalyptic number.

1118920960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118920960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418938668).

1118920960 is an abundant number, since it is smaller than the sum of its proper divisors (1718956376).

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

1118920960 is an equidigital number, since it uses as much as digits as its factorization.

1118920960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51459 (or 51445 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 1118920960 is about 33450.2759330921. The cubic root of 1118920960 is about 1038.1652067313.

The spelling of 1118920960 in words is "one billion, one hundred eighteen million, nine hundred twenty thousand, nine hundred sixty".