42126208 has 16 divisors (see below), whose sum is σ = 83923560. Its totient is φ = 21063040.

The previous prime is 42126169. The next prime is 42126223. The reversal of 42126208 is 80262124.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164428 + ... + 164683.

Almost surely, 2^42126208 is an apocalyptic number.

It is an amenable number.

42126208 is a deficient number, since it is larger than the sum of its proper divisors (41797352).

42126208 is an equidigital number, since it uses as much as digits as its factorization.

42126208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329125 (or 329113 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42126208 is about 6490.4705530493. The cubic root of 42126208 is about 347.9504928032.

It can be divided in two parts, 4 and 2126208, that added together give a palindrome (2126212).

The spelling of 42126208 in words is "forty-two million, one hundred twenty-six thousand, two hundred eight".