100620085 has 8 divisors (see below), whose sum is σ = 120810456. Its totient is φ = 80451840.

The previous prime is 100620073. The next prime is 100620119. The reversal of 100620085 is 580026001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 339889 + 100280196 = 583^2 + 10014^2 .

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

It is not a de Polignac number, because 100620085 - 2²⁵ = 67065653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7105 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (15101307).

Almost surely, 2^100620085 is an apocalyptic number.

It is an amenable number.

100620085 is a deficient number, since it is larger than the sum of its proper divisors (20190371).

100620085 is an equidigital number, since it uses as much as digits as its factorization.

100620085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11063.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 100620085 is about 10030.9563352653. The cubic root of 100620085 is about 465.1163003507.

Adding to 100620085 its reverse (580026001), we get a palindrome (680646086).

The spelling of 100620085 in words is "one hundred million, six hundred twenty thousand, eighty-five".