1118482920 has 48 divisors (see below), whose sum is σ = 3635070660. Its totient is φ = 298262016.

The previous prime is 1118482913. The next prime is 1118482931. The reversal of 1118482920 is 292848111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1033879716 + 84603204 = 32154^2 + 9198^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1553089 + ... + 1553808.

Almost surely, 2^1118482920 is an apocalyptic number.

1118482920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118482920 is an abundant number, since it is smaller than the sum of its proper divisors (2516587740).

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

1118482920 is a wasteful number, since it uses less digits than its factorization.

1118482920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106914 (or 3106907 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1118482920 is about 33443.7276630462. The cubic root of 1118482920 is about 1038.0297139188.

The spelling of 1118482920 in words is "one billion, one hundred eighteen million, four hundred eighty-two thousand, nine hundred twenty".