1218270096 has 30 divisors (see below), whose sum is σ = 3409464630. Its totient is φ = 406089984.

The previous prime is 1218270083. The next prime is 1218270113. The reversal of 1218270096 is 6900728121.

It can be written as a sum of positive squares in only one way, i.e., 1208535696 + 9734400 = 34764^2 + 3120^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1218270096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4229961 + ... + 4230248.

It is an arithmetic number, because the mean of its divisors is an integer number (113648821).

Almost surely, 2^1218270096 is an apocalyptic number.

1218270096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1218270096 is an abundant number, since it is smaller than the sum of its proper divisors (2191194534).

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

1218270096 is a wasteful number, since it uses less digits than its factorization.

1218270096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460223 (or 8460214 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1218270096 is about 34903.7261048158. The cubic root of 1218270096 is about 1068.0244492152.

The spelling of 1218270096 in words is "one billion, two hundred eighteen million, two hundred seventy thousand, ninety-six".