380121 has 16 divisors (see below), whose sum is σ = 605184. Its totient is φ = 207504.

The previous prime is 380117. The next prime is 380129. The reversal of 380121 is 121083.

It is a happy number.

It is not a de Polignac number, because 380121 - 2² = 380117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380121.

It is not an unprimeable number, because it can be changed into a prime (380129) 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 15 ways as a sum of consecutive naturals, for example, 90 + ... + 876.

It is an arithmetic number, because the mean of its divisors is an integer number (37824).

2³⁸⁰¹²¹ is an apocalyptic number.

It is an amenable number.

380121 is a deficient number, since it is larger than the sum of its proper divisors (225063).

380121 is a wasteful number, since it uses less digits than its factorization.

380121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 380121 is about 616.5395364451. The cubic root of 380121 is about 72.4392515302.

The spelling of 380121 in words is "three hundred eighty thousand, one hundred twenty-one".