124006999 has 2 divisors, whose sum is σ = 124007000. Its totient is φ = 124006998.

The previous prime is 124006997. The next prime is 124007003. The reversal of 124006999 is 999600421.

It is a weak prime.

It is an emirp because it is prime and its reverse (999600421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124006999 - 2¹ = 124006997 is a prime.

Together with 124006997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124006997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62003499 + 62003500.

It is an arithmetic number, because the mean of its divisors is an integer number (62003500).

Almost surely, 2^124006999 is an apocalyptic number.

124006999 is a deficient number, since it is larger than the sum of its proper divisors (1).

124006999 is an equidigital number, since it uses as much as digits as its factorization.

124006999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 124006999 is about 11135.8429856028. The cubic root of 124006999 is about 498.6724771522.

The spelling of 124006999 in words is "one hundred twenty-four million, six thousand, nine hundred ninety-nine".