1321460386 has 8 divisors (see below), whose sum is σ = 1989245484. Its totient is φ = 658378560.

The previous prime is 1321460369. The next prime is 1321460411. The reversal of 1321460386 is 6830641231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1289887225 + 31573161 = 35915^2 + 5619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175115 + ... + 1176238.

Almost surely, 2^1321460386 is an apocalyptic number.

1321460386 is a deficient number, since it is larger than the sum of its proper divisors (667785098).

1321460386 is a wasteful number, since it uses less digits than its factorization.

1321460386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351636.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1321460386 is about 36351.8965942631. The cubic root of 1321460386 is about 1097.3657035460.

The spelling of 1321460386 in words is "one billion, three hundred twenty-one million, four hundred sixty thousand, three hundred eighty-six".