100701985 has 8 divisors (see below), whose sum is σ = 120969576. Its totient is φ = 80476800.

The previous prime is 100701977. The next prime is 100702009. The reversal of 100701985 is 589107001.

It can be written as a sum of positive squares in 4 ways, for example, as 1838736 + 98863249 = 1356^2 + 9943^2 .

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

It is not a de Polignac number, because 100701985 - 2³ = 100701977 is a prime.

It is a Duffinian number.

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, 5116 + ... + 15085.

It is an arithmetic number, because the mean of its divisors is an integer number (15121197).

Almost surely, 2^100701985 is an apocalyptic number.

It is an amenable number.

100701985 is a deficient number, since it is larger than the sum of its proper divisors (20267591).

100701985 is an equidigital number, since it uses as much as digits as its factorization.

100701985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21203.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 100701985 is about 10035.0378673924. The cubic root of 100701985 is about 465.2424603659.

Adding to 100701985 its reverse (589107001), we get a palindrome (689808986).

The spelling of 100701985 in words is "one hundred million, seven hundred one thousand, nine hundred eighty-five".