124235770949 has 2 divisors, whose sum is σ = 124235770950. Its totient is φ = 124235770948.

The previous prime is 124235770811. The next prime is 124235770969. The reversal of 124235770949 is 949077532421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65988361924 + 58247409025 = 256882^2 + 241345^2 .

It is an emirp because it is prime and its reverse (949077532421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124235770949 - 2²⁸ = 123967335493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124235770949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124235770969) 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, 62117885474 + 62117885475.

It is an arithmetic number, because the mean of its divisors is an integer number (62117885475).

Almost surely, 2^124235770949 is an apocalyptic number.

It is an amenable number.

124235770949 is a deficient number, since it is larger than the sum of its proper divisors (1).

124235770949 is an equidigital number, since it uses as much as digits as its factorization.

124235770949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 124235770949 in words is "one hundred twenty-four billion, two hundred thirty-five million, seven hundred seventy thousand, nine hundred forty-nine".