1321322474 has 8 divisors (see below), whose sum is σ = 1988440608. Its totient is φ = 658508940.

The previous prime is 1321322473. The next prime is 1321322531. The reversal of 1321322474 is 4742231231.

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

It is not an unprimeable number, because it can be changed into a prime (1321322473) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1075382 + ... + 1076609.

It is an arithmetic number, because the mean of its divisors is an integer number (248555076).

Almost surely, 2^1321322474 is an apocalyptic number.

1321322474 is a deficient number, since it is larger than the sum of its proper divisors (667118134).

1321322474 is a wasteful number, since it uses less digits than its factorization.

1321322474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152300.

The product of its digits is 8064, while the sum is 29.

The square root of 1321322474 is about 36349.9996423659. Note that the first 3 decimals coincide. The cubic root of 1321322474 is about 1097.3275273066.

The spelling of 1321322474 in words is "one billion, three hundred twenty-one million, three hundred twenty-two thousand, four hundred seventy-four".