124234221145 has 8 divisors (see below), whose sum is σ = 149103234504. Its totient is φ = 99372597504.

The previous prime is 124234221077. The next prime is 124234221187. The reversal of 124234221145 is 541122432421.

It can be written as a sum of positive squares in 4 ways, for example, as 6121028169 + 118113192976 = 78237^2 + 343676^2 .

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 124234221145 - 2¹⁷ = 124234090073 is a prime.

It is a super-2 number, since 2×124234221145² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810374 + ... + 1877743.

It is an arithmetic number, because the mean of its divisors is an integer number (18637904313).

Almost surely, 2^124234221145 is an apocalyptic number.

It is an amenable number.

124234221145 is a deficient number, since it is larger than the sum of its proper divisors (24869013359).

124234221145 is an equidigital number, since it uses as much as digits as its factorization.

124234221145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694859.

The product of its digits is 15360, while the sum is 31.

Adding to 124234221145 its reverse (541122432421), we get a palindrome (665356653566).

The spelling of 124234221145 in words is "one hundred twenty-four billion, two hundred thirty-four million, two hundred twenty-one thousand, one hundred forty-five".