1000000042 has 8 divisors (see below), whose sum is σ = 1500804000. Its totient is φ = 499732044.

The previous prime is 1000000033. The next prime is 1000000087. The reversal of 1000000042 is 2400000001.

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

It is a junction number, because it is equal to n+sod(n) for n = 999999971 and 1000000034.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129292 + ... + 136807.

It is an arithmetic number, because the mean of its divisors is an integer number (187600500).

Almost surely, 2^1000000042 is an apocalyptic number.

1000000042 is a deficient number, since it is larger than the sum of its proper divisors (500803958).

1000000042 is a wasteful number, since it uses less digits than its factorization.

1000000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267980.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1000000042 is about 31622.7772657621. Note that the first 3 decimals coincide. The cubic root of 1000000042 is about 1000.0000140000. Note that the first 4 decimals are identical.

Adding to 1000000042 its reverse (2400000001), we get a palindrome (3400000043).

The spelling of 1000000042 in words is "one billion, forty-two", and thus it is an aban number and an uban number.