124742329 has 2 divisors, whose sum is σ = 124742330. Its totient is φ = 124742328.

The previous prime is 124742297. The next prime is 124742339. The reversal of 124742329 is 923247421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109935225 + 14807104 = 10485^2 + 3848^2 .

It is a cyclic number.

It is not a de Polignac number, because 124742329 - 2⁵ = 124742297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124742294 and 124742303.

It is not a weakly prime, because it can be changed into another prime (124742339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62371164 + 62371165.

It is an arithmetic number, because the mean of its divisors is an integer number (62371165).

Almost surely, 2^124742329 is an apocalyptic number.

It is an amenable number.

124742329 is a deficient number, since it is larger than the sum of its proper divisors (1).

124742329 is an equidigital number, since it uses as much as digits as its factorization.

124742329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 124742329 is about 11168.8105454431. The cubic root of 124742329 is about 499.6562023272.

The spelling of 124742329 in words is "one hundred twenty-four million, seven hundred forty-two thousand, three hundred twenty-nine".