1218848130 has 24 divisors (see below), whose sum is σ = 3169005372. Its totient is φ = 325026144.

The previous prime is 1218848107. The next prime is 1218848159. The reversal of 1218848130 is 318488121.

It can be written as a sum of positive squares in 2 ways, for example, as 1215010449 + 3837681 = 34857^2 + 1959^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6771289 + ... + 6771468.

Almost surely, 2^1218848130 is an apocalyptic number.

1218848130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1218848130 is an abundant number, since it is smaller than the sum of its proper divisors (1950157242).

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

1218848130 is a wasteful number, since it uses less digits than its factorization.

1218848130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542770 (or 13542767 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1218848130 is about 34912.0055281847. The cubic root of 1218848130 is about 1068.1933380993.

The spelling of 1218848130 in words is "one billion, two hundred eighteen million, eight hundred forty-eight thousand, one hundred thirty".