124289149321 has 2 divisors, whose sum is σ = 124289149322. Its totient is φ = 124289149320.

The previous prime is 124289149277. The next prime is 124289149331. The reversal of 124289149321 is 123941982421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99344105721 + 24945043600 = 315189^2 + 157940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124289149321 is a prime.

It is a super-2 number, since 2×124289149321² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124289149331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62144574660 + 62144574661.

It is an arithmetic number, because the mean of its divisors is an integer number (62144574661).

Almost surely, 2^124289149321 is an apocalyptic number.

It is an amenable number.

124289149321 is a deficient number, since it is larger than the sum of its proper divisors (1).

124289149321 is an equidigital number, since it uses as much as digits as its factorization.

124289149321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The spelling of 124289149321 in words is "one hundred twenty-four billion, two hundred eighty-nine million, one hundred forty-nine thousand, three hundred twenty-one".