1303198940 has 48 divisors (see below), whose sum is σ = 2810898720. Its totient is φ = 507217920.

The previous prime is 1303198913. The next prime is 1303198969. The reversal of 1303198940 is 498913031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1303198894 and 1303198903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341684 + ... + 345476.

It is an arithmetic number, because the mean of its divisors is an integer number (58560390).

Almost surely, 2^1303198940 is an apocalyptic number.

1303198940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303198940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405449360).

1303198940 is an abundant number, since it is smaller than the sum of its proper divisors (1507699780).

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

1303198940 is a wasteful number, since it uses less digits than its factorization.

1303198940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262 (or 4260 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1303198940 is about 36099.8468140794. The cubic root of 1303198940 is about 1092.2873549970.

The spelling of 1303198940 in words is "one billion, three hundred three million, one hundred ninety-eight thousand, nine hundred forty".