100720006 has 8 divisors (see below), whose sum is σ = 151796664. Its totient is φ = 50121120.

The previous prime is 100719991. The next prime is 100720027. The reversal of 100720006 is 600027001.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 118915 + ... + 119758.

It is an arithmetic number, because the mean of its divisors is an integer number (18974583).

Almost surely, 2^100720006 is an apocalyptic number.

100720006 is a deficient number, since it is larger than the sum of its proper divisors (51076658).

100720006 is a wasteful number, since it uses less digits than its factorization.

100720006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238886.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 100720006 is about 10035.9357311613. The cubic root of 100720006 is about 465.2702110082.

Adding to 100720006 its reverse (600027001), we get a palindrome (700747007).

The spelling of 100720006 in words is "one hundred million, seven hundred twenty thousand, six".