1303201040 has 20 divisors (see below), whose sum is σ = 3029942604. Its totient is φ = 521280384.

The previous prime is 1303201021. The next prime is 1303201049. The reversal of 1303201040 is 401023031.

It can be written as a sum of positive squares in 2 ways, for example, as 703734784 + 599466256 = 26528^2 + 24484^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1303201049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8144927 + ... + 8145086.

Almost surely, 2^1303201040 is an apocalyptic number.

1303201040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303201040 is an abundant number, since it is smaller than the sum of its proper divisors (1726741564).

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

1303201040 is a wasteful number, since it uses less digits than its factorization.

1303201040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290026 (or 16290020 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1303201040 is about 36099.8759000637. The cubic root of 1303201040 is about 1092.2879417077.

Adding to 1303201040 its reverse (401023031), we get a palindrome (1704224071).

The spelling of 1303201040 in words is "one billion, three hundred three million, two hundred one thousand, forty".