1320056430 has 64 divisors (see below), whose sum is σ = 3949890048. Its totient is φ = 274296960.

The previous prime is 1320056401. The next prime is 1320056449. The reversal of 1320056430 is 346500231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320056430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283417 + ... + 288036.

It is an arithmetic number, because the mean of its divisors is an integer number (61717032).

Almost surely, 2^1320056430 is an apocalyptic number.

1320056430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320056430 is an abundant number, since it is smaller than the sum of its proper divisors (2629833618).

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

1320056430 is a wasteful number, since it uses less digits than its factorization.

1320056430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571481.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1320056430 is about 36332.5808331861. The cubic root of 1320056430 is about 1096.9769419625.

Adding to 1320056430 its reverse (346500231), we get a palindrome (1666556661).

The spelling of 1320056430 in words is "one billion, three hundred twenty million, fifty-six thousand, four hundred thirty".