124313909 has 2 divisors, whose sum is σ = 124313910. Its totient is φ = 124313908.

The previous prime is 124313881. The next prime is 124313929. The reversal of 124313909 is 909313421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78818884 + 45495025 = 8878^2 + 6745^2 .

It is a cyclic number.

It is not a de Polignac number, because 124313909 - 2¹⁶ = 124248373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124313929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62156954 + 62156955.

It is an arithmetic number, because the mean of its divisors is an integer number (62156955).

Almost surely, 2^124313909 is an apocalyptic number.

It is an amenable number.

124313909 is a deficient number, since it is larger than the sum of its proper divisors (1).

124313909 is an equidigital number, since it uses as much as digits as its factorization.

124313909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 124313909 is about 11149.6147467076. The cubic root of 124313909 is about 499.0835332036.

The spelling of 124313909 in words is "one hundred twenty-four million, three hundred thirteen thousand, nine hundred nine".