1329804061 has 8 divisors (see below), whose sum is σ = 1334278400. Its totient is φ = 1325337552.

The previous prime is 1329804059. The next prime is 1329804083. The reversal of 1329804061 is 1604089231.

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 1329804061 - 2¹ = 1329804059 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 (1329804011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646711 + ... + 648763.

It is an arithmetic number, because the mean of its divisors is an integer number (166784800).

Almost surely, 2^1329804061 is an apocalyptic number.

It is an amenable number.

1329804061 is a deficient number, since it is larger than the sum of its proper divisors (4474339).

1329804061 is a wasteful number, since it uses less digits than its factorization.

1329804061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1329804061 is about 36466.4785933602. The cubic root of 1329804061 is about 1099.6704414950.

The spelling of 1329804061 in words is "one billion, three hundred twenty-nine million, eight hundred four thousand, sixty-one".