1320116424 has 128 divisors (see below), whose sum is σ = 3744144000. Its totient is φ = 384204800.

The previous prime is 1320116417. The next prime is 1320116437. The reversal of 1320116424 is 4246110231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1320116394 and 1320116403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2059144 + ... + 2059784.

It is an arithmetic number, because the mean of its divisors is an integer number (29251125).

Almost surely, 2^1320116424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320116424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872072000).

1320116424 is an abundant number, since it is smaller than the sum of its proper divisors (2424027576).

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

1320116424 is a wasteful number, since it uses less digits than its factorization.

1320116424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1320116424 is about 36333.4064464096. The cubic root of 1320116424 is about 1096.9935602009.

Adding to 1320116424 its reverse (4246110231), we get a palindrome (5566226655).

The spelling of 1320116424 in words is "one billion, three hundred twenty million, one hundred sixteen thousand, four hundred twenty-four".