42126120555602 has 8 divisors (see below), whose sum is σ = 66906191470716. Its totient is φ = 19824056732032.

The previous prime is 42126120555559. The next prime is 42126120555641. The reversal of 42126120555602 is 20655502162124.

It can be written as a sum of positive squares in 2 ways, for example, as 41837494812481 + 288625743121 = 6468191^2 + 537239^2 .

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

It is a super-2 number, since 2×42126120555602² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42126120555602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619501772843 + ... + 619501772910.

Almost surely, 2^{42126120555602} is an apocalyptic number.

42126120555602 is a deficient number, since it is larger than the sum of its proper divisors (24780070915114).

42126120555602 is a wasteful number, since it uses less digits than its factorization.

42126120555602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239003545772.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 42126120555602 in words is "forty-two trillion, one hundred twenty-six billion, one hundred twenty million, five hundred fifty-five thousand, six hundred two".