1118345120 has 24 divisors (see below), whose sum is σ = 2642090724. Its totient is φ = 447337984.

The previous prime is 1118345117. The next prime is 1118345131. The reversal of 1118345120 is 215438111.

It can be written as a sum of positive squares in 2 ways, for example, as 1117431184 + 913936 = 33428^2 + 956^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1118345120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3494669 + ... + 3494988.

Almost surely, 2^1118345120 is an apocalyptic number.

1118345120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118345120 is an abundant number, since it is smaller than the sum of its proper divisors (1523745604).

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

1118345120 is an equidigital number, since it uses as much as digits as its factorization.

1118345120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989672 (or 6989664 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1118345120 is about 33441.6674225434. The cubic root of 1118345120 is about 1037.9870828493.

The spelling of 1118345120 in words is "one billion, one hundred eighteen million, three hundred forty-five thousand, one hundred twenty".