380420124 has 72 divisors (see below), whose sum is σ = 1037272320. Its totient is φ = 108196704.

The previous prime is 380420123. The next prime is 380420149. The reversal of 380420124 is 421024083.

It is a junction number, because it is equal to n+sod(n) for n = 380420094 and 380420103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380420123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139179 + ... + 141885.

It is an arithmetic number, because the mean of its divisors is an integer number (14406560).

Almost surely, 2^380420124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380420124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518636160).

380420124 is an abundant number, since it is smaller than the sum of its proper divisors (656852196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380420124 is a wasteful number, since it uses less digits than its factorization.

380420124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967 (or 2958 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 380420124 is about 19504.3616660479. The cubic root of 380420124 is about 724.5824779495.

The spelling of 380420124 in words is "three hundred eighty million, four hundred twenty thousand, one hundred twenty-four".