42052124 has 12 divisors (see below), whose sum is σ = 73647000. Its totient is φ = 21010128.

The previous prime is 42052079. The next prime is 42052147. The reversal of 42052124 is 42125024.

It is a happy number.

It is a super-2 number, since 2×42052124² = 3536762265822752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42052096 and 42052105.

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, 3527 + ... + 9825.

It is an arithmetic number, because the mean of its divisors is an integer number (6137250).

Almost surely, 2^42052124 is an apocalyptic number.

It is an amenable number.

42052124 is a deficient number, since it is larger than the sum of its proper divisors (31594876).

42052124 is a wasteful number, since it uses less digits than its factorization.

42052124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972 (or 7970 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42052124 is about 6484.7609053843. The cubic root of 42052124 is about 347.7464021963.

Adding to 42052124 its reverse (42125024), we get a palindrome (84177148).

Subtracting 42052124 from its reverse (42125024), we obtain a square (72900 = 270²).

The spelling of 42052124 in words is "forty-two million, fifty-two thousand, one hundred twenty-four".