42124233133 has 4 divisors (see below), whose sum is σ = 42125219388. Its totient is φ = 42123246880.

The previous prime is 42124233089. The next prime is 42124233191. The reversal of 42124233133 is 33133242124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19420373449 + 22703859684 = 139357^2 + 150678^2 .

It is a cyclic number.

It is not a de Polignac number, because 42124233133 - 2²¹ = 42122135981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42124234133) 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, 426016 + ... + 515497.

It is an arithmetic number, because the mean of its divisors is an integer number (10531304847).

Almost surely, 2^42124233133 is an apocalyptic number.

It is an amenable number.

42124233133 is a deficient number, since it is larger than the sum of its proper divisors (986255).

42124233133 is an equidigital number, since it uses as much as digits as its factorization.

42124233133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986254.

The product of its digits is 10368, while the sum is 28.

Adding to 42124233133 its reverse (33133242124), we get a palindrome (75257475257).

The spelling of 42124233133 in words is "forty-two billion, one hundred twenty-four million, two hundred thirty-three thousand, one hundred thirty-three".