124300009 has 2 divisors, whose sum is σ = 124300010. Its totient is φ = 124300008.

The previous prime is 124299997. The next prime is 124300019. The reversal of 124300009 is 900003421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66585600 + 57714409 = 8160^2 + 7597^2 .

It is a cyclic number.

It is not a de Polignac number, because 124300009 - 2¹⁹ = 123775721 is a prime.

It is not a weakly prime, because it can be changed into another prime (124300019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62150004 + 62150005.

It is an arithmetic number, because the mean of its divisors is an integer number (62150005).

Almost surely, 2^124300009 is an apocalyptic number.

It is an amenable number.

124300009 is a deficient number, since it is larger than the sum of its proper divisors (1).

124300009 is an equidigital number, since it uses as much as digits as its factorization.

124300009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 124300009 is about 11148.9913893589. The cubic root of 124300009 is about 499.0649310489.

The spelling of 124300009 in words is "one hundred twenty-four million, three hundred thousand, nine".