126004642 has 8 divisors (see below), whose sum is σ = 189128016. Its totient is φ = 62961972.

The previous prime is 126004639. The next prime is 126004651. The reversal of 126004642 is 246400621.

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

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, 16108 + ... + 22615.

It is an arithmetic number, because the mean of its divisors is an integer number (23641002).

Almost surely, 2^126004642 is an apocalyptic number.

126004642 is a deficient number, since it is larger than the sum of its proper divisors (63123374).

126004642 is a wasteful number, since it uses less digits than its factorization.

126004642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40352.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 126004642 is about 11225.1789295316. The cubic root of 126004642 is about 501.3359499629.

The spelling of 126004642 in words is "one hundred twenty-six million, four thousand, six hundred forty-two".