124069129 has 2 divisors, whose sum is σ = 124069130. Its totient is φ = 124069128.

The previous prime is 124069109. The next prime is 124069133. The reversal of 124069129 is 921960421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118309129 + 5760000 = 10877^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 124069129 - 2⁹ = 124068617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124069094 and 124069103.

It is not a weakly prime, because it can be changed into another prime (124069109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62034564 + 62034565.

It is an arithmetic number, because the mean of its divisors is an integer number (62034565).

Almost surely, 2^124069129 is an apocalyptic number.

It is an amenable number.

124069129 is a deficient number, since it is larger than the sum of its proper divisors (1).

124069129 is an equidigital number, since it uses as much as digits as its factorization.

124069129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 124069129 is about 11138.6322769001. The cubic root of 124069129 is about 498.7557448936.

The spelling of 124069129 in words is "one hundred twenty-four million, sixty-nine thousand, one hundred twenty-nine".