42124563 has 32 divisors (see below), whose sum is σ = 68794880. Its totient is φ = 25310880.

The previous prime is 42124553. The next prime is 42124571. The reversal of 42124563 is 36542124.

It is not a de Polignac number, because 42124563 - 2⁴ = 42124547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42124553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13698 + ... + 16488.

It is an arithmetic number, because the mean of its divisors is an integer number (2149840).

Almost surely, 2^42124563 is an apocalyptic number.

42124563 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42124563 is a deficient number, since it is larger than the sum of its proper divisors (26670317).

42124563 is a wasteful number, since it uses less digits than its factorization.

42124563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 2850 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 42124563 is about 6490.3438275641. The cubic root of 42124563 is about 347.9459636669.

Adding to 42124563 its reverse (36542124), we get a palindrome (78666687).

The spelling of 42124563 in words is "forty-two million, one hundred twenty-four thousand, five hundred sixty-three".