42052126 has 4 divisors (see below), whose sum is σ = 63078192. Its totient is φ = 21026062.

The previous prime is 42052079. The next prime is 42052147. The reversal of 42052126 is 62125024.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42052126² = 3536762602239752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42052097 and 42052106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10513030 + ... + 10513033.

It is an arithmetic number, because the mean of its divisors is an integer number (15769548).

Almost surely, 2^42052126 is an apocalyptic number.

42052126 is a deficient number, since it is larger than the sum of its proper divisors (21026066).

42052126 is a wasteful number, since it uses less digits than its factorization.

42052126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026065.

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

The square root of 42052126 is about 6484.7610595919. The cubic root of 42052126 is about 347.7464077092.

The spelling of 42052126 in words is "forty-two million, fifty-two thousand, one hundred twenty-six".