124118835889 has 2 divisors, whose sum is σ = 124118835890. Its totient is φ = 124118835888.

The previous prime is 124118835851. The next prime is 124118835899. The reversal of 124118835889 is 988538811421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123892032289 + 226803600 = 351983^2 + 15060^2 .

It is a cyclic number.

It is not a de Polignac number, because 124118835889 - 2¹⁷ = 124118704817 is a prime.

It is not a weakly prime, because it can be changed into another prime (124118835809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62059417944 + 62059417945.

It is an arithmetic number, because the mean of its divisors is an integer number (62059417945).

Almost surely, 2^124118835889 is an apocalyptic number.

It is an amenable number.

124118835889 is a deficient number, since it is larger than the sum of its proper divisors (1).

124118835889 is an equidigital number, since it uses as much as digits as its factorization.

124118835889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4423680, while the sum is 58.

The spelling of 124118835889 in words is "one hundred twenty-four billion, one hundred eighteen million, eight hundred thirty-five thousand, eight hundred eighty-nine".