124129429 has 2 divisors, whose sum is σ = 124129430. Its totient is φ = 124129428.

The previous prime is 124129417. The next prime is 124129463. The reversal of 124129429 is 924921421.

It is a happy number.

It is an a-pointer prime, because the next prime (124129463) can be obtained adding 124129429 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122434225 + 1695204 = 11065^2 + 1302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124129429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124129394 and 124129403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124129129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62064714 + 62064715.

It is an arithmetic number, because the mean of its divisors is an integer number (62064715).

Almost surely, 2^124129429 is an apocalyptic number.

It is an amenable number.

124129429 is a deficient number, since it is larger than the sum of its proper divisors (1).

124129429 is an equidigital number, since it uses as much as digits as its factorization.

124129429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 124129429 is about 11141.3387436160. The cubic root of 124129429 is about 498.8365334578.

The spelling of 124129429 in words is "one hundred twenty-four million, one hundred twenty-nine thousand, four hundred twenty-nine".