1303000120 has 16 divisors (see below), whose sum is σ = 2931750360. Its totient is φ = 521200032.

The previous prime is 1303000109. The next prime is 1303000133. The reversal of 1303000120 is 210003031.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1303000097 and 1303000106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16287462 + ... + 16287541.

Almost surely, 2^1303000120 is an apocalyptic number.

1303000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303000120 is an abundant number, since it is smaller than the sum of its proper divisors (1628750240).

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

1303000120 is a wasteful number, since it uses less digits than its factorization.

1303000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32575014 (or 32575010 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1303000120 is about 36097.0929577438. The cubic root of 1303000120 is about 1092.2318046099.

Adding to 1303000120 its reverse (210003031), we get a palindrome (1513003151).

The spelling of 1303000120 in words is "one billion, three hundred three million, one hundred twenty", and thus it is an aban number.