1328055901 has 8 divisors (see below), whose sum is σ = 1408013600. Its totient is φ = 1249104240.

The previous prime is 1328055889. The next prime is 1328055917. The reversal of 1328055901 is 1095508231.

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 1328055901 - 2⁹ = 1328055389 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 (1328055961) 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, 248790 + ... + 254071.

It is an arithmetic number, because the mean of its divisors is an integer number (176001700).

Almost surely, 2^1328055901 is an apocalyptic number.

It is an amenable number.

1328055901 is a deficient number, since it is larger than the sum of its proper divisors (79957699).

1328055901 is a wasteful number, since it uses less digits than its factorization.

1328055901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503019.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1328055901 is about 36442.5012999931. The cubic root of 1328055901 is about 1099.1883547108.

The spelling of 1328055901 in words is "one billion, three hundred twenty-eight million, fifty-five thousand, nine hundred one".