124231315452991 has 2 divisors, whose sum is σ = 124231315452992. Its totient is φ = 124231315452990.

The previous prime is 124231315452983. The next prime is 124231315453001. The reversal of 124231315452991 is 199254513132421.

It is a weak prime.

It is an emirp because it is prime and its reverse (199254513132421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124231315452991 - 2³ = 124231315452983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124231315452931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62115657726495 + 62115657726496.

It is an arithmetic number, because the mean of its divisors is an integer number (62115657726496).

Almost surely, 2^{124231315452991} is an apocalyptic number.

124231315452991 is a deficient number, since it is larger than the sum of its proper divisors (1).

124231315452991 is an equidigital number, since it uses as much as digits as its factorization.

124231315452991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 52.

The spelling of 124231315452991 in words is "one hundred twenty-four trillion, two hundred thirty-one billion, three hundred fifteen million, four hundred fifty-two thousand, nine hundred ninety-one".