42426670121 has 8 divisors (see below), whose sum is σ = 47360004384. Its totient is φ = 37672729920.

The previous prime is 42426670093. The next prime is 42426670127. The reversal of 42426670121 is 12107662424.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42426670121 - 2⁶ = 42426670057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42426670127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44848016 + ... + 44848961.

It is an arithmetic number, because the mean of its divisors is an integer number (5920000548).

Almost surely, 2^42426670121 is an apocalyptic number.

It is an amenable number.

42426670121 is a deficient number, since it is larger than the sum of its proper divisors (4933334263).

42426670121 is a wasteful number, since it uses less digits than its factorization.

42426670121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89697031.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 42426670121 in words is "forty-two billion, four hundred twenty-six million, six hundred seventy thousand, one hundred twenty-one".