124663001317891 has 2 divisors, whose sum is σ = 124663001317892. Its totient is φ = 124663001317890.

The previous prime is 124663001317763. The next prime is 124663001317913. The reversal of 124663001317891 is 198713100366421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124663001317891 - 2⁷ = 124663001317763 is a prime.

It is not a weakly prime, because it can be changed into another prime (124663001317391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62331500658945 + 62331500658946.

It is an arithmetic number, because the mean of its divisors is an integer number (62331500658946).

Almost surely, 2^{124663001317891} is an apocalyptic number.

124663001317891 is a deficient number, since it is larger than the sum of its proper divisors (1).

124663001317891 is an equidigital number, since it uses as much as digits as its factorization.

124663001317891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 124663001317891 in words is "one hundred twenty-four trillion, six hundred sixty-three billion, one million, three hundred seventeen thousand, eight hundred ninety-one".