1303379240 has 16 divisors (see below), whose sum is σ = 2932603380. Its totient is φ = 521351680.

The previous prime is 1303379237. The next prime is 1303379261. The reversal of 1303379240 is 429733031.

It can be written as a sum of positive squares in 2 ways, for example, as 1279779076 + 23600164 = 35774^2 + 4858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1303379197 and 1303379206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16292201 + ... + 16292280.

Almost surely, 2^1303379240 is an apocalyptic number.

1303379240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303379240 is an abundant number, since it is smaller than the sum of its proper divisors (1629224140).

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

1303379240 is a wasteful number, since it uses less digits than its factorization.

1303379240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32584492 (or 32584488 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 1303379240 is about 36102.3439682246. The cubic root of 1303379240 is about 1092.3377260039.

The spelling of 1303379240 in words is "one billion, three hundred three million, three hundred seventy-nine thousand, two hundred forty".