126443942 has 8 divisors (see below), whose sum is σ = 189728976. Its totient is φ = 63200952.

The previous prime is 126443939. The next prime is 126443969. The reversal of 126443942 is 249344621.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 15965.

It is an arithmetic number, because the mean of its divisors is an integer number (23716122).

Almost surely, 2^126443942 is an apocalyptic number.

126443942 is a deficient number, since it is larger than the sum of its proper divisors (63285034).

126443942 is a wasteful number, since it uses less digits than its factorization.

126443942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21022.

The product of its digits is 41472, while the sum is 35.

The square root of 126443942 is about 11244.7295209800. The cubic root of 126443942 is about 501.9178899899.

The spelling of 126443942 in words is "one hundred twenty-six million, four hundred forty-three thousand, nine hundred forty-two".