42275121 has 8 divisors (see below), whose sum is σ = 64419264. Its totient is φ = 24157200.

The previous prime is 42275119. The next prime is 42275143. The reversal of 42275121 is 12157224.

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

It is not a de Polignac number, because 42275121 - 2¹ = 42275119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42275091 and 42275100.

It is not an unprimeable number, because it can be changed into a prime (42275111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006530 + ... + 1006571.

It is an arithmetic number, because the mean of its divisors is an integer number (8052408).

Almost surely, 2^42275121 is an apocalyptic number.

It is an amenable number.

42275121 is a deficient number, since it is larger than the sum of its proper divisors (22144143).

42275121 is a wasteful number, since it uses less digits than its factorization.

42275121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013111.

The product of its digits is 1120, while the sum is 24.

The square root of 42275121 is about 6501.9320974615. The cubic root of 42275121 is about 348.3600036558.

The spelling of 42275121 in words is "forty-two million, two hundred seventy-five thousand, one hundred twenty-one".