42124564 has 12 divisors (see below), whose sum is σ = 73794784. Its totient is φ = 21040344.

The previous prime is 42124553. The next prime is 42124571. The reversal of 42124564 is 46542124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702 + ... + 9205.

Almost surely, 2^42124564 is an apocalyptic number.

It is an amenable number.

42124564 is a deficient number, since it is larger than the sum of its proper divisors (31670220).

42124564 is a wasteful number, since it uses less digits than its factorization.

42124564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10974 (or 10972 counting only the distinct ones).

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

The square root of 42124564 is about 6490.3439046017. The cubic root of 42124564 is about 347.9459664202.

Adding to 42124564 its reverse (46542124), we get a palindrome (88666688).

The spelling of 42124564 in words is "forty-two million, one hundred twenty-four thousand, five hundred sixty-four".