1321474093 has 8 divisors (see below), whose sum is σ = 1333971000. Its totient is φ = 1308991488.

The previous prime is 1321474019. The next prime is 1321474109. The reversal of 1321474093 is 3904741231.

It can be written as a sum of positive squares in 4 ways, for example, as 358799364 + 962674729 = 18942^2 + 31027^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1321474093 - 2⁹ = 1321473581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321474993) 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 7 ways as a sum of consecutive naturals, for example, 301683 + ... + 306031.

It is an arithmetic number, because the mean of its divisors is an integer number (166746375).

Almost surely, 2^1321474093 is an apocalyptic number.

It is an amenable number.

1321474093 is a deficient number, since it is larger than the sum of its proper divisors (12496907).

1321474093 is a wasteful number, since it uses less digits than its factorization.

1321474093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1321474093 is about 36352.0851258906. The cubic root of 1321474093 is about 1097.3694977169.

The spelling of 1321474093 in words is "one billion, three hundred twenty-one million, four hundred seventy-four thousand, ninety-three".