124273244179681 has 3 divisors (see below), whose sum is σ = 124273255327473. Its totient is φ = 124273233031890.

The previous prime is 124273244179613. The next prime is 124273244179757. The reversal of 124273244179681 is 186971442372421.

The square root of 124273244179681 is 11147791.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 124273244179681 - 2¹⁵ = 124273244146913 is a prime.

It is a super-2 number, since 2×124273244179681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124273244179081) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5573896 + ... + 16721686.

It is an arithmetic number, because the mean of its divisors is an integer number (41424418442491).

Almost surely, 2^{124273244179681} is an apocalyptic number.

124273244179681 is the 11147791-st square number.

124273244179681 is the 5573896-th centered octagonal number.

It is an amenable number.

124273244179681 is a deficient number, since it is larger than the sum of its proper divisors (11147792).

124273244179681 is an frugal number, since it uses more digits than its factorization.

124273244179681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22295582 (or 11147791 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The spelling of 124273244179681 in words is "one hundred twenty-four trillion, two hundred seventy-three billion, two hundred forty-four million, one hundred seventy-nine thousand, six hundred eighty-one".