42124333 has 2 divisors, whose sum is σ = 42124334. Its totient is φ = 42124332.

The previous prime is 42124309. The next prime is 42124403. The reversal of 42124333 is 33342124.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35964009 + 6160324 = 5997^2 + 2482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42124333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42124633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21062166 + 21062167.

It is an arithmetic number, because the mean of its divisors is an integer number (21062167).

Almost surely, 2^42124333 is an apocalyptic number.

It is an amenable number.

42124333 is a deficient number, since it is larger than the sum of its proper divisors (1).

42124333 is an equidigital number, since it uses as much as digits as its factorization.

42124333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 42124333 is about 6490.3261089101. The cubic root of 42124333 is about 347.9453304044.

Adding to 42124333 its reverse (33342124), we get a palindrome (75466457).

The spelling of 42124333 in words is "forty-two million, one hundred twenty-four thousand, three hundred thirty-three".