42380124 has 12 divisors (see below), whose sum is σ = 98886984. Its totient is φ = 14126704.

The previous prime is 42380123. The next prime is 42380153. The reversal of 42380124 is 42108324.

42380124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42380094 and 42380103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42380123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765827 + ... + 1765850.

It is an arithmetic number, because the mean of its divisors is an integer number (8240582).

Almost surely, 2^42380124 is an apocalyptic number.

It is an amenable number.

42380124 is an abundant number, since it is smaller than the sum of its proper divisors (56506860).

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

42380124 is a wasteful number, since it uses less digits than its factorization.

42380124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531684 (or 3531682 counting only the distinct ones).

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

The square root of 42380124 is about 6510.0018433177. The cubic root of 42380124 is about 348.6481842015.

Subtracting from 42380124 its sum of digits (24), we obtain a square (42380100 = 6510²).

Adding to 42380124 its reverse (42108324), we get a palindrome (84488448).

The spelling of 42380124 in words is "forty-two million, three hundred eighty thousand, one hundred twenty-four".