124340140949 has 2 divisors, whose sum is σ = 124340140950. Its totient is φ = 124340140948.

The previous prime is 124340140927. The next prime is 124340140957. The reversal of 124340140949 is 949041043421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90881146225 + 33458994724 = 301465^2 + 182918^2 .

It is a cyclic number.

It is not a de Polignac number, because 124340140949 - 2⁸ = 124340140693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124340140049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62170070474 + 62170070475.

It is an arithmetic number, because the mean of its divisors is an integer number (62170070475).

Almost surely, 2^124340140949 is an apocalyptic number.

It is an amenable number.

124340140949 is a deficient number, since it is larger than the sum of its proper divisors (1).

124340140949 is an equidigital number, since it uses as much as digits as its factorization.

124340140949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 124340140949 in words is "one hundred twenty-four billion, three hundred forty million, one hundred forty thousand, nine hundred forty-nine".