1321363075 has 12 divisors (see below), whose sum is σ = 1724727160. Its totient is φ = 1001453760.

The previous prime is 1321363061. The next prime is 1321363117. The reversal of 1321363075 is 5703631231.

It is not a de Polignac number, because 1321363075 - 2⁷ = 1321362947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1390434 + ... + 1391383.

Almost surely, 2^1321363075 is an apocalyptic number.

1321363075 is a deficient number, since it is larger than the sum of its proper divisors (403364085).

1321363075 is a wasteful number, since it uses less digits than its factorization.

1321363075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781846 (or 2781841 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 1321363075 is about 36350.5581112588. The cubic root of 1321363075 is about 1097.3387665864.

The spelling of 1321363075 in words is "one billion, three hundred twenty-one million, three hundred sixty-three thousand, seventy-five".