42065122 has 16 divisors (see below), whose sum is σ = 69197472. Its totient is φ = 19019520.

The previous prime is 42065119. The next prime is 42065203. The reversal of 42065122 is 22156024.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42065093 and 42065102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (4324842).

Almost surely, 2^42065122 is an apocalyptic number.

42065122 is a deficient number, since it is larger than the sum of its proper divisors (27132350).

42065122 is a wasteful number, since it uses less digits than its factorization.

42065122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42065122 is about 6485.7630237313. The cubic root of 42065122 is about 347.7822271177.

The spelling of 42065122 in words is "forty-two million, sixty-five thousand, one hundred twenty-two".