384121 has 4 divisors (see below), whose sum is σ = 396544. Its totient is φ = 371700.

The previous prime is 384113. The next prime is 384133. The reversal of 384121 is 121483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121483 = 41 ⋅2963.

It is a cyclic number.

It is not a de Polignac number, because 384121 - 2³ = 384113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384151) 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, 6165 + ... + 6226.

It is an arithmetic number, because the mean of its divisors is an integer number (99136).

2³⁸⁴¹²¹ is an apocalyptic number.

384121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

384121 is a deficient number, since it is larger than the sum of its proper divisors (12423).

384121 is a wasteful number, since it uses less digits than its factorization.

384121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12422.

The product of its digits is 192, while the sum is 19.

The square root of 384121 is about 619.7749591586. The cubic root of 384121 is about 72.6924573418.

It can be divided in two parts, 384 and 121, that multiplied together give a palindrome (46464).

The spelling of 384121 in words is "three hundred eighty-four thousand, one hundred twenty-one".