320121377 has 8 divisors (see below), whose sum is σ = 325828800. Its totient is φ = 314441424.

The previous prime is 320121353. The next prime is 320121391. The reversal of 320121377 is 773121023.

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 320121377 - 2⁶ = 320121313 is a prime.

It is a super-2 number, since 2×320121377² = 204955392024752258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320121877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17399 + ... + 30707.

It is an arithmetic number, because the mean of its divisors is an integer number (40728600).

Almost surely, 2^320121377 is an apocalyptic number.

It is an amenable number.

320121377 is a deficient number, since it is larger than the sum of its proper divisors (5707423).

320121377 is a wasteful number, since it uses less digits than its factorization.

320121377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13735.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 320121377 is about 17891.9360886406. The cubic root of 320121377 is about 684.0768476350.

The spelling of 320121377 in words is "three hundred twenty million, one hundred twenty-one thousand, three hundred seventy-seven".