42564124 has 12 divisors (see below), whose sum is σ = 78868944. Its totient is φ = 20030144.

The previous prime is 42564121. The next prime is 42564131. The reversal of 42564124 is 42146524.

It is a super-3 number, since 3×42564124³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42564092 and 42564101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42564121) 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, 312904 + ... + 313039.

It is an arithmetic number, because the mean of its divisors is an integer number (6572412).

Almost surely, 2^42564124 is an apocalyptic number.

It is an amenable number.

42564124 is a deficient number, since it is larger than the sum of its proper divisors (36304820).

42564124 is a wasteful number, since it uses less digits than its factorization.

42564124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625964 (or 625962 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 42564124 is about 6524.1186377932. The cubic root of 42564124 is about 349.1520261144.

The spelling of 42564124 in words is "forty-two million, five hundred sixty-four thousand, one hundred twenty-four".