124305017929 has 2 divisors, whose sum is σ = 124305017930. Its totient is φ = 124305017928.

The previous prime is 124305017927. The next prime is 124305017951. The reversal of 124305017929 is 929710503421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105550263225 + 18754754704 = 324885^2 + 136948^2 .

It is a cyclic number.

It is not a de Polignac number, because 124305017929 - 2¹ = 124305017927 is a prime.

It is a super-2 number, since 2×124305017929² (a number of 23 digits) contains 22 as substring.

Together with 124305017927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (124305017927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62152508964 + 62152508965.

It is an arithmetic number, because the mean of its divisors is an integer number (62152508965).

Almost surely, 2^124305017929 is an apocalyptic number.

It is an amenable number.

124305017929 is a deficient number, since it is larger than the sum of its proper divisors (1).

124305017929 is an equidigital number, since it uses as much as digits as its factorization.

124305017929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 124305017929 in words is "one hundred twenty-four billion, three hundred five million, seventeen thousand, nine hundred twenty-nine".