124638075011 has 2 divisors, whose sum is σ = 124638075012. Its totient is φ = 124638075010.

The previous prime is 124638074989. The next prime is 124638075017. The reversal of 124638075011 is 110570836421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124638075011 - 2³⁰ = 123564333187 is a prime.

It is not a weakly prime, because it can be changed into another prime (124638075017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62319037505 + 62319037506.

It is an arithmetic number, because the mean of its divisors is an integer number (62319037506).

Almost surely, 2^124638075011 is an apocalyptic number.

124638075011 is a deficient number, since it is larger than the sum of its proper divisors (1).

124638075011 is an equidigital number, since it uses as much as digits as its factorization.

124638075011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 124638075011 in words is "one hundred twenty-four billion, six hundred thirty-eight million, seventy-five thousand, eleven".