383020121 has 4 divisors (see below), whose sum is σ = 417840144. Its totient is φ = 348200100.

The previous prime is 383020111. The next prime is 383020163. The reversal of 383020121 is 121020383.

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: 121020383 = 11 ⋅11001853.

It is a cyclic number.

It is not a de Polignac number, because 383020121 - 2¹⁴ = 383003737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 383020093 and 383020102.

It is not an unprimeable number, because it can be changed into a prime (383020111) 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, 17409995 + ... + 17410016.

It is an arithmetic number, because the mean of its divisors is an integer number (104460036).

Almost surely, 2^383020121 is an apocalyptic number.

It is an amenable number.

383020121 is a deficient number, since it is larger than the sum of its proper divisors (34820023).

383020121 is a wasteful number, since it uses less digits than its factorization.

383020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34820022.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 383020121 is about 19570.8998515653. The cubic root of 383020121 is about 726.2294610967.

The spelling of 383020121 in words is "three hundred eighty-three million, twenty thousand, one hundred twenty-one".