383425121 has 4 divisors (see below), whose sum is σ = 389147952. Its totient is φ = 377702292.

The previous prime is 383425099. The next prime is 383425169. The reversal of 383425121 is 121524383.

It is a happy number.

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: 121524383 = 61 ⋅1992203.

It is a cyclic number.

It is not a de Polignac number, because 383425121 - 2¹⁸ = 383162977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383428121) 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, 2861315 + ... + 2861448.

It is an arithmetic number, because the mean of its divisors is an integer number (97286988).

Almost surely, 2^383425121 is an apocalyptic number.

It is an amenable number.

383425121 is a deficient number, since it is larger than the sum of its proper divisors (5722831).

383425121 is an equidigital number, since it uses as much as digits as its factorization.

383425121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722830.

The product of its digits is 5760, while the sum is 29.

The square root of 383425121 is about 19581.2441126707. The cubic root of 383425121 is about 726.4853391471.

The spelling of 383425121 in words is "three hundred eighty-three million, four hundred twenty-five thousand, one hundred twenty-one".