124746196609 has 2 divisors, whose sum is σ = 124746196610. Its totient is φ = 124746196608.

The previous prime is 124746196607. The next prime is 124746196717. The reversal of 124746196609 is 906691647421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104540995584 + 20205201025 = 323328^2 + 142145^2 .

It is a cyclic number.

It is not a de Polignac number, because 124746196609 - 2¹ = 124746196607 is a prime.

It is a super-2 number, since 2×124746196609² (a number of 23 digits) contains 22 as substring.

Together with 124746196607, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 124746196609.

It is not a weakly prime, because it can be changed into another prime (124746196607) 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, 62373098304 + 62373098305.

It is an arithmetic number, because the mean of its divisors is an integer number (62373098305).

Almost surely, 2^124746196609 is an apocalyptic number.

It is an amenable number.

124746196609 is a deficient number, since it is larger than the sum of its proper divisors (1).

124746196609 is an equidigital number, since it uses as much as digits as its factorization.

124746196609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 124746196609 in words is "one hundred twenty-four billion, seven hundred forty-six million, one hundred ninety-six thousand, six hundred nine".