124118207947 has 2 divisors, whose sum is σ = 124118207948. Its totient is φ = 124118207946.

The previous prime is 124118207933. The next prime is 124118208007. The reversal of 124118207947 is 749702811421.

It is a weak prime.

It is an emirp because it is prime and its reverse (749702811421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124118207947 - 2⁷ = 124118207819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124118207897 and 124118207906.

It is not a weakly prime, because it can be changed into another prime (124118205947) 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, 62059103973 + 62059103974.

It is an arithmetic number, because the mean of its divisors is an integer number (62059103974).

Almost surely, 2^124118207947 is an apocalyptic number.

124118207947 is a deficient number, since it is larger than the sum of its proper divisors (1).

124118207947 is an equidigital number, since it uses as much as digits as its factorization.

124118207947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 124118207947 in words is "one hundred twenty-four billion, one hundred eighteen million, two hundred seven thousand, nine hundred forty-seven".