1320300120 has 64 divisors (see below), whose sum is σ = 4169376000. Its totient is φ = 333548928.

The previous prime is 1320300109. The next prime is 1320300127. The reversal of 1320300120 is 210030231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1320300096 and 1320300105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320300127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287260 + ... + 291819.

It is an arithmetic number, because the mean of its divisors is an integer number (65146500).

Almost surely, 2^1320300120 is an apocalyptic number.

1320300120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320300120 is an abundant number, since it is smaller than the sum of its proper divisors (2849075880).

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

1320300120 is a wasteful number, since it uses less digits than its factorization.

1320300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579112 (or 579108 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1320300120 is about 36335.9342799934. The cubic root of 1320300120 is about 1097.0444405574.

Adding to 1320300120 its reverse (210030231), we get a palindrome (1530330351).

The spelling of 1320300120 in words is "one billion, three hundred twenty million, three hundred thousand, one hundred twenty".