124231391951 has 2 divisors, whose sum is σ = 124231391952. Its totient is φ = 124231391950.

The previous prime is 124231391917. The next prime is 124231392013. The reversal of 124231391951 is 159193132421.

It is a weak prime.

It is an emirp because it is prime and its reverse (159193132421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124231391951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124231391899 and 124231391908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124231391051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62115695975 + 62115695976.

It is an arithmetic number, because the mean of its divisors is an integer number (62115695976).

Almost surely, 2^124231391951 is an apocalyptic number.

124231391951 is a deficient number, since it is larger than the sum of its proper divisors (1).

124231391951 is an equidigital number, since it uses as much as digits as its factorization.

124231391951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 41.

The spelling of 124231391951 in words is "one hundred twenty-four billion, two hundred thirty-one million, three hundred ninety-one thousand, nine hundred fifty-one".