101000042 has 16 divisors (see below), whose sum is σ = 177986592. Its totient is φ = 42377520.

The previous prime is 101000027. The next prime is 101000051. The reversal of 101000042 is 240000101.

It is a junction number, because it is equal to n+sod(n) for n = 100999993 and 101000029.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176288 + ... + 176859.

It is an arithmetic number, because the mean of its divisors is an integer number (11124162).

Almost surely, 2^101000042 is an apocalyptic number.

101000042 is a deficient number, since it is larger than the sum of its proper divisors (76986550).

101000042 is a wasteful number, since it uses less digits than its factorization.

101000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353173.

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

The square root of 101000042 is about 10049.8777106988. The cubic root of 101000042 is about 465.7010153330.

Adding to 101000042 its reverse (240000101), we get a palindrome (341000143).

The spelling of 101000042 in words is "one hundred one million, forty-two", and thus it is an aban number.