124272443437 has 2 divisors, whose sum is σ = 124272443438. Its totient is φ = 124272443436.

The previous prime is 124272443417. The next prime is 124272443473. The reversal of 124272443437 is 734344272421.

It is a happy number.

Together with next prime (124272443473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121629352516 + 2643090921 = 348754^2 + 51411^2 .

It is a cyclic number.

It is not a de Polignac number, because 124272443437 - 2²⁷ = 124138225709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124272443393 and 124272443402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124272443417) 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, 62136221718 + 62136221719.

It is an arithmetic number, because the mean of its divisors is an integer number (62136221719).

Almost surely, 2^124272443437 is an apocalyptic number.

It is an amenable number.

124272443437 is a deficient number, since it is larger than the sum of its proper divisors (1).

124272443437 is an equidigital number, since it uses as much as digits as its factorization.

124272443437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 43.

The spelling of 124272443437 in words is "one hundred twenty-four billion, two hundred seventy-two million, four hundred forty-three thousand, four hundred thirty-seven".