124221440468651 has 2 divisors, whose sum is σ = 124221440468652. Its totient is φ = 124221440468650.

The previous prime is 124221440468603. The next prime is 124221440468659. The reversal of 124221440468651 is 156864044122421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124221440468651 - 2³⁸ = 123946562561707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124221440468651.

It is not a weakly prime, because it can be changed into another prime (124221440468659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62110720234325 + 62110720234326.

It is an arithmetic number, because the mean of its divisors is an integer number (62110720234326).

Almost surely, 2^{124221440468651} is an apocalyptic number.

124221440468651 is a deficient number, since it is larger than the sum of its proper divisors (1).

124221440468651 is an equidigital number, since it uses as much as digits as its factorization.

124221440468651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 124221440468651 in words is "one hundred twenty-four trillion, two hundred twenty-one billion, four hundred forty million, four hundred sixty-eight thousand, six hundred fifty-one".