100320042 has 8 divisors (see below), whose sum is σ = 200640096. Its totient is φ = 33440012.

The previous prime is 100320041. The next prime is 100320067. The reversal of 100320042 is 240023001.

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

100320042 is an admirable number.

It is a super-2 number, since 2×100320042² = 20128221653763528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100320041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359998 + ... + 8360009.

It is an arithmetic number, because the mean of its divisors is an integer number (25080012).

Almost surely, 2^100320042 is an apocalyptic number.

100320042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100320042 is a wasteful number, since it uses less digits than its factorization.

100320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16720012.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 100320042 is about 10015.9893170870. The cubic root of 100320042 is about 464.6535238414.

Adding to 100320042 its reverse (240023001), we get a palindrome (340343043).

The spelling of 100320042 in words is "one hundred million, three hundred twenty thousand, forty-two".