124453009 has 2 divisors, whose sum is σ = 124453010. Its totient is φ = 124453008.

The previous prime is 124452997. The next prime is 124453019. The reversal of 124453009 is 900354421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97121025 + 27331984 = 9855^2 + 5228^2 .

It is a cyclic number.

It is not a de Polignac number, because 124453009 - 2¹⁷ = 124321937 is a prime.

It is equal to p_7080814 and since 124453009 and 7080814 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (124453019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62226504 + 62226505.

It is an arithmetic number, because the mean of its divisors is an integer number (62226505).

Almost surely, 2^124453009 is an apocalyptic number.

It is an amenable number.

124453009 is a deficient number, since it is larger than the sum of its proper divisors (1).

124453009 is an equidigital number, since it uses as much as digits as its factorization.

124453009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 124453009 is about 11155.8508864183. The cubic root of 124453009 is about 499.2696122537.

The spelling of 124453009 in words is "one hundred twenty-four million, four hundred fifty-three thousand, nine".