101243005 has 8 divisors (see below), whose sum is σ = 121552992. Its totient is φ = 80953488.

The previous prime is 101242979. The next prime is 101243047. The reversal of 101243005 is 500342101.

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

It is a cyclic number.

It is not a de Polignac number, because 101243005 - 2¹¹ = 101240957 is a prime.

It is a super-2 number, since 2×101243005² = 20500292122860050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101243005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9642 + ... + 17188.

It is an arithmetic number, because the mean of its divisors is an integer number (15194124).

Almost surely, 2^101243005 is an apocalyptic number.

It is an amenable number.

101243005 is a deficient number, since it is larger than the sum of its proper divisors (20309987).

101243005 is an equidigital number, since it uses as much as digits as its factorization.

101243005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 101243005 is about 10061.9583084010. The cubic root of 101243005 is about 466.0741422674.

Adding to 101243005 its reverse (500342101), we get a palindrome (601585106).

The spelling of 101243005 in words is "one hundred one million, two hundred forty-three thousand, five".