42004121527 has 8 divisors (see below), whose sum is σ = 42273259776. Its totient is φ = 41735548512.

The previous prime is 42004121521. The next prime is 42004121567. The reversal of 42004121527 is 72512140024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42004121527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42004121495 and 42004121504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42004121521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8298 + ... + 289960.

It is an arithmetic number, because the mean of its divisors is an integer number (5284157472).

Almost surely, 2^42004121527 is an apocalyptic number.

42004121527 is a deficient number, since it is larger than the sum of its proper divisors (269138249).

42004121527 is a wasteful number, since it uses less digits than its factorization.

42004121527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282617.

The product of its (nonzero) digits is 4480, while the sum is 28.

The spelling of 42004121527 in words is "forty-two billion, four million, one hundred twenty-one thousand, five hundred twenty-seven".