124223340181 has 2 divisors, whose sum is σ = 124223340182. Its totient is φ = 124223340180.

The previous prime is 124223340179. The next prime is 124223340187. The reversal of 124223340181 is 181043322421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117039252100 + 7184088081 = 342110^2 + 84759^2 .

It is a cyclic number.

It is not a de Polignac number, because 124223340181 - 2¹ = 124223340179 is a prime.

It is a super-2 number, since 2×124223340181² (a number of 23 digits) contains 22 as substring.

Together with 124223340179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124223340187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62111670090 + 62111670091.

It is an arithmetic number, because the mean of its divisors is an integer number (62111670091).

Almost surely, 2^124223340181 is an apocalyptic number.

It is an amenable number.

124223340181 is a deficient number, since it is larger than the sum of its proper divisors (1).

124223340181 is an equidigital number, since it uses as much as digits as its factorization.

124223340181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 124223340181 in words is "one hundred twenty-four billion, two hundred twenty-three million, three hundred forty thousand, one hundred eighty-one".