100500042 has 16 divisors (see below), whose sum is σ = 201202272. Its totient is φ = 33466320.

The previous prime is 100500019. The next prime is 100500121. The reversal of 100500042 is 240005001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528 + ... + 14259.

It is an arithmetic number, because the mean of its divisors is an integer number (12575142).

Almost surely, 2^100500042 is an apocalyptic number.

100500042 is an abundant number, since it is smaller than the sum of its proper divisors (100702230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100500042 is a wasteful number, since it uses less digits than its factorization.

100500042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16853.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 100500042 is about 10024.9709226511. The cubic root of 100500042 is about 464.9312605061.

Adding to 100500042 its reverse (240005001), we get a palindrome (340505043).

The spelling of 100500042 in words is "one hundred million, five hundred thousand, forty-two".