1320434118 has 24 divisors (see below), whose sum is σ = 2861609400. Its totient is φ = 440041824.

The previous prime is 1320434111. The next prime is 1320434123. The reversal of 1320434118 is 8114340231.

1320434118 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1320434091 and 1320434100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320434111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142738 + ... + 151706.

It is an arithmetic number, because the mean of its divisors is an integer number (119233725).

Almost surely, 2^1320434118 is an apocalyptic number.

1320434118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1320434118 is an abundant number, since it is smaller than the sum of its proper divisors (1541175282).

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

1320434118 is a wasteful number, since it uses less digits than its factorization.

1320434118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17156 (or 17153 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1320434118 is about 36337.7781103908. The cubic root of 1320434118 is about 1097.0815525206.

Adding to 1320434118 its reverse (8114340231), we get a palindrome (9434774349).

It can be divided in two parts, 132043 and 4118, that added together give a square (136161 = 369²).

The spelling of 1320434118 in words is "one billion, three hundred twenty million, four hundred thirty-four thousand, one hundred eighteen".