1318432120 has 16 divisors (see below), whose sum is σ = 2966472360. Its totient is φ = 527372832.

The previous prime is 1318432091. The next prime is 1318432147. The reversal of 1318432120 is 212348131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16480362 + ... + 16480441.

Almost surely, 2^1318432120 is an apocalyptic number.

1318432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1318432120 is an abundant number, since it is smaller than the sum of its proper divisors (1648040240).

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

1318432120 is a wasteful number, since it uses less digits than its factorization.

1318432120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32960814 (or 32960810 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1318432120 is about 36310.2205997154. The cubic root of 1318432120 is about 1096.5268192973.

The spelling of 1318432120 in words is "one billion, three hundred eighteen million, four hundred thirty-two thousand, one hundred twenty".