124452499999 has 2 divisors, whose sum is σ = 124452500000. Its totient is φ = 124452499998.

The previous prime is 124452499949. The next prime is 124452500009. The reversal of 124452499999 is 999994254421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (999994254421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124452499999 - 2¹⁷ = 124452368927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124452499909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62226249999 + 62226250000.

It is an arithmetic number, because the mean of its divisors is an integer number (62226250000).

Almost surely, 2^124452499999 is an apocalyptic number.

124452499999 is a deficient number, since it is larger than the sum of its proper divisors (1).

124452499999 is an equidigital number, since it uses as much as digits as its factorization.

124452499999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75582720, while the sum is 67.

The spelling of 124452499999 in words is "one hundred twenty-four billion, four hundred fifty-two million, four hundred ninety-nine thousand, nine hundred ninety-nine".