101005042 has 16 divisors (see below), whose sum is σ = 155897280. Its totient is φ = 49044528.

The previous prime is 101005039. The next prime is 101005133. The reversal of 101005042 is 240500101.

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 7 ways as a sum of consecutive naturals, for example, 53763 + ... + 55609.

It is an arithmetic number, because the mean of its divisors is an integer number (9743580).

Almost surely, 2^101005042 is an apocalyptic number.

101005042 is a deficient number, since it is larger than the sum of its proper divisors (54892238).

101005042 is a wasteful number, since it uses less digits than its factorization.

101005042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 101005042 is about 10050.1264668660. The cubic root of 101005042 is about 465.7087000382.

Adding to 101005042 its reverse (240500101), we get a palindrome (341505143).

The spelling of 101005042 in words is "one hundred one million, five thousand, forty-two".