124679993 has 2 divisors, whose sum is σ = 124679994. Its totient is φ = 124679992.

The previous prime is 124679963. The next prime is 124680007. The reversal of 124679993 is 399976421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105740089 + 18939904 = 10283^2 + 4352^2 .

It is a cyclic number.

It is not a de Polignac number, because 124679993 - 2²² = 120485689 is a prime.

It is not a weakly prime, because it can be changed into another prime (124679963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62339996 + 62339997.

It is an arithmetic number, because the mean of its divisors is an integer number (62339997).

Almost surely, 2^124679993 is an apocalyptic number.

It is an amenable number.

124679993 is a deficient number, since it is larger than the sum of its proper divisors (1).

124679993 is an equidigital number, since it uses as much as digits as its factorization.

124679993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 124679993 is about 11166.0195683153. The cubic root of 124679993 is about 499.5729593764.

The spelling of 124679993 in words is "one hundred twenty-four million, six hundred seventy-nine thousand, nine hundred ninety-three".