42124342 has 16 divisors (see below), whose sum is σ = 68251680. Its totient is φ = 19383552.

The previous prime is 42124333. The next prime is 42124403. The reversal of 42124342 is 24342124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7078 + ... + 11590.

It is an arithmetic number, because the mean of its divisors is an integer number (4265730).

Almost surely, 2^42124342 is an apocalyptic number.

42124342 is a deficient number, since it is larger than the sum of its proper divisors (26127338).

42124342 is a wasteful number, since it uses less digits than its factorization.

42124342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887.

The product of its digits is 1536, while the sum is 22.

The square root of 42124342 is about 6490.3268022496. The cubic root of 42124342 is about 347.9453551843.

Adding to 42124342 its reverse (24342124), we get a palindrome (66466466).

The spelling of 42124342 in words is "forty-two million, one hundred twenty-four thousand, three hundred forty-two".