124313993 has 2 divisors, whose sum is σ = 124313994. Its totient is φ = 124313992.

The previous prime is 124313953. The next prime is 124314007. The reversal of 124313993 is 399313421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103774969 + 20539024 = 10187^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 124313993 - 2⁶ = 124313929 is a prime.

It is a super-3 number, since 3×124313993³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (124313953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62156996 + 62156997.

It is an arithmetic number, because the mean of its divisors is an integer number (62156997).

Almost surely, 2^124313993 is an apocalyptic number.

It is an amenable number.

124313993 is a deficient number, since it is larger than the sum of its proper divisors (1).

124313993 is an equidigital number, since it uses as much as digits as its factorization.

124313993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 124313993 is about 11149.6185136533. The cubic root of 124313993 is about 499.0836456152.

The spelling of 124313993 in words is "one hundred twenty-four million, three hundred thirteen thousand, nine hundred ninety-three".