124001929 has 2 divisors, whose sum is σ = 124001930. Its totient is φ = 124001928.

The previous prime is 124001909. The next prime is 124001951. The reversal of 124001929 is 929100421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87459904 + 36542025 = 9352^2 + 6045^2 .

It is an emirp because it is prime and its reverse (929100421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124001929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124001897 and 124001906.

It is not a weakly prime, because it can be changed into another prime (124001909) 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, 62000964 + 62000965.

It is an arithmetic number, because the mean of its divisors is an integer number (62000965).

Almost surely, 2^124001929 is an apocalyptic number.

It is an amenable number.

124001929 is a deficient number, since it is larger than the sum of its proper divisors (1).

124001929 is an equidigital number, since it uses as much as digits as its factorization.

124001929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 124001929 is about 11135.6153399801. The cubic root of 124001929 is about 498.6656810199.

The spelling of 124001929 in words is "one hundred twenty-four million, one thousand, nine hundred twenty-nine".