101243447 has 8 divisors (see below), whose sum is σ = 105761376. Its totient is φ = 96735232.

The previous prime is 101243413. The next prime is 101243453. The reversal of 101243447 is 744342101.

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 101243447 - 2⁶ = 101243383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101243047) by changing a digit.

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, 26183 + ... + 29799.

It is an arithmetic number, because the mean of its divisors is an integer number (13220172).

Almost surely, 2^101243447 is an apocalyptic number.

101243447 is a deficient number, since it is larger than the sum of its proper divisors (4517929).

101243447 is a wasteful number, since it uses less digits than its factorization.

101243447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 101243447 is about 10061.9802722923. The cubic root of 101243447 is about 466.0748205183.

Adding to 101243447 its reverse (744342101), we get a palindrome (845585548).

The spelling of 101243447 in words is "one hundred one million, two hundred forty-three thousand, four hundred forty-seven".