42124370 has 8 divisors (see below), whose sum is σ = 75823884. Its totient is φ = 16849744.

The previous prime is 42124333. The next prime is 42124403. The reversal of 42124370 is 7342124.

It can be written as a sum of positive squares in 2 ways, for example, as 39325441 + 2798929 = 6271^2 + 1673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2106209 + ... + 2106228.

Almost surely, 2^42124370 is an apocalyptic number.

42124370 is a deficient number, since it is larger than the sum of its proper divisors (33699514).

42124370 is a wasteful number, since it uses less digits than its factorization.

42124370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212444.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42124370 is about 6490.3289593055. The cubic root of 42124370 is about 347.9454322772.

Adding to 42124370 its reverse (7342124), we get a palindrome (49466494).

The spelling of 42124370 in words is "forty-two million, one hundred twenty-four thousand, three hundred seventy".