126008842 has 4 divisors (see below), whose sum is σ = 189013266. Its totient is φ = 63004420.

The previous prime is 126008821. The next prime is 126008849. The reversal of 126008842 is 248800621.

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

It can be written as a sum of positive squares in only one way, i.e., 118831801 + 7177041 = 10901^2 + 2679^2 .

It is not an unprimeable number, because it can be changed into a prime (126008849) by changing a digit.

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 as a sum of consecutive naturals, namely, 31502209 + ... + 31502212.

Almost surely, 2^126008842 is an apocalyptic number.

126008842 is a deficient number, since it is larger than the sum of its proper divisors (63004424).

126008842 is an equidigital number, since it uses as much as digits as its factorization.

126008842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63004423.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 126008842 is about 11225.3660073959. The cubic root of 126008842 is about 501.3415200953.

The spelling of 126008842 in words is "one hundred twenty-six million, eight thousand, eight hundred forty-two".