1303226740 has 24 divisors (see below), whose sum is σ = 2761000200. Its totient is φ = 516676608.

The previous prime is 1303226711. The next prime is 1303226773. The reversal of 1303226740 is 476223031.

It can be written as a sum of positive squares in 4 ways, for example, as 120692196 + 1182534544 = 10986^2 + 34388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1303226699 and 1303226708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286065 + ... + 290584.

It is an arithmetic number, because the mean of its divisors is an integer number (115041675).

Almost surely, 2^1303226740 is an apocalyptic number.

1303226740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303226740 is an abundant number, since it is smaller than the sum of its proper divisors (1457773460).

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

1303226740 is a wasteful number, since it uses less digits than its factorization.

1303226740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576771 (or 576769 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1303226740 is about 36100.2318552111. The cubic root of 1303226740 is about 1092.2951218778.

Adding to 1303226740 its reverse (476223031), we get a palindrome (1779449771).

The spelling of 1303226740 in words is "one billion, three hundred three million, two hundred twenty-six thousand, seven hundred forty".