124244210434391 has 2 divisors, whose sum is σ = 124244210434392. Its totient is φ = 124244210434390.

The previous prime is 124244210434373. The next prime is 124244210434417. The reversal of 124244210434391 is 193434012442421.

It is a weak prime.

It is an emirp because it is prime and its reverse (193434012442421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124244210434391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124244210434301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62122105217195 + 62122105217196.

It is an arithmetic number, because the mean of its divisors is an integer number (62122105217196).

Almost surely, 2^{124244210434391} is an apocalyptic number.

124244210434391 is a deficient number, since it is larger than the sum of its proper divisors (1).

124244210434391 is an equidigital number, since it uses as much as digits as its factorization.

124244210434391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 124244210434391 in words is "one hundred twenty-four trillion, two hundred forty-four billion, two hundred ten million, four hundred thirty-four thousand, three hundred ninety-one".