42715124 has 12 divisors (see below), whose sum is σ = 74820900. Its totient is φ = 21337728.

The previous prime is 42715121. The next prime is 42715129. The reversal of 42715124 is 42151724.

It can be written as a sum of positive squares in 2 ways, for example, as 40704400 + 2010724 = 6380^2 + 1418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42715093 and 42715102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42715121) 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, 572 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (6235075).

Almost surely, 2^42715124 is an apocalyptic number.

It is an amenable number.

42715124 is a deficient number, since it is larger than the sum of its proper divisors (32105776).

42715124 is a wasteful number, since it uses less digits than its factorization.

42715124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922 (or 9920 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 42715124 is about 6535.6808367606. The cubic root of 42715124 is about 349.5644214082.

Adding to 42715124 its reverse (42151724), we get a palindrome (84866848).

It can be divided in two parts, 427 and 15124, that added together give a palindrome (15551).

The spelling of 42715124 in words is "forty-two million, seven hundred fifteen thousand, one hundred twenty-four".