124125560149 has 2 divisors, whose sum is σ = 124125560150. Its totient is φ = 124125560148.

The previous prime is 124125560071. The next prime is 124125560159. The reversal of 124125560149 is 941065521421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89084340900 + 35041219249 = 298470^2 + 187193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124125560149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124125560159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62062780074 + 62062780075.

It is an arithmetic number, because the mean of its divisors is an integer number (62062780075).

Almost surely, 2^124125560149 is an apocalyptic number.

It is an amenable number.

124125560149 is a deficient number, since it is larger than the sum of its proper divisors (1).

124125560149 is an equidigital number, since it uses as much as digits as its factorization.

124125560149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 124125560149 in words is "one hundred twenty-four billion, one hundred twenty-five million, five hundred sixty thousand, one hundred forty-nine".