124969481893 has 2 divisors, whose sum is σ = 124969481894. Its totient is φ = 124969481892.

The previous prime is 124969481843. The next prime is 124969481927. The reversal of 124969481893 is 398184969421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112964554404 + 12004927489 = 336102^2 + 109567^2 .

It is a cyclic number.

It is not a de Polignac number, because 124969481893 - 2⁹ = 124969481381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124969481843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62484740946 + 62484740947.

It is an arithmetic number, because the mean of its divisors is an integer number (62484740947).

Almost surely, 2^124969481893 is an apocalyptic number.

It is an amenable number.

124969481893 is a deficient number, since it is larger than the sum of its proper divisors (1).

124969481893 is an equidigital number, since it uses as much as digits as its factorization.

124969481893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26873856, while the sum is 64.

The spelling of 124969481893 in words is "one hundred twenty-four billion, nine hundred sixty-nine million, four hundred eighty-one thousand, eight hundred ninety-three".