1303120120 has 32 divisors (see below), whose sum is σ = 2994408000. Its totient is φ = 510156928.

The previous prime is 1303120103. The next prime is 1303120121. The reversal of 1303120120 is 210213031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303120120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303120121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344695 + ... + 348454.

It is an arithmetic number, because the mean of its divisors is an integer number (93575250).

Almost surely, 2^1303120120 is an apocalyptic number.

1303120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303120120 is an abundant number, since it is smaller than the sum of its proper divisors (1691287880).

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

1303120120 is a wasteful number, since it uses less digits than its factorization.

1303120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693207 (or 693203 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1303120120 is about 36098.7551031888. The cubic root of 1303120120 is about 1092.2653333336.

Adding to 1303120120 its reverse (210213031), we get a palindrome (1513333151).

The spelling of 1303120120 in words is "one billion, three hundred three million, one hundred twenty thousand, one hundred twenty".