101244243 has 4 divisors (see below), whose sum is σ = 134992328. Its totient is φ = 67496160.

The previous prime is 101244239. The next prime is 101244263. The reversal of 101244243 is 342442101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101244243 - 2² = 101244239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101244263) 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 3 ways as a sum of consecutive naturals, for example, 16874038 + ... + 16874043.

It is an arithmetic number, because the mean of its divisors is an integer number (33748082).

Almost surely, 2^101244243 is an apocalyptic number.

101244243 is a deficient number, since it is larger than the sum of its proper divisors (33748085).

101244243 is an equidigital number, since it uses as much as digits as its factorization.

101244243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33748084.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 101244243 is about 10062.0198270526. The cubic root of 101244243 is about 466.0760419787.

Adding to 101244243 its reverse (342442101), we get a palindrome (443686344).

It can be divided in two parts, 10 and 1244243, that added together give a triangular number (1244253 = T₁₅₇₇).

The spelling of 101244243 in words is "one hundred one million, two hundred forty-four thousand, two hundred forty-three".