1321471446 has 8 divisors (see below), whose sum is σ = 2642942904. Its totient is φ = 440490480.

The previous prime is 1321471409. The next prime is 1321471447. The reversal of 1321471446 is 6441741231.

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

1321471446 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321471447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110122615 + ... + 110122626.

It is an arithmetic number, because the mean of its divisors is an integer number (330367863).

Almost surely, 2^1321471446 is an apocalyptic number.

1321471446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1321471446 is a wasteful number, since it uses less digits than its factorization.

1321471446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220245246.

The product of its digits is 16128, while the sum is 33.

The square root of 1321471446 is about 36352.0487180571. The cubic root of 1321471446 is about 1097.3687650152.

The spelling of 1321471446 in words is "one billion, three hundred twenty-one million, four hundred seventy-one thousand, four hundred forty-six".