124000001 has 2 divisors, whose sum is σ = 124000002. Its totient is φ = 124000000.

The previous prime is 123999983. The next prime is 124000021. The reversal of 124000001 is 100000421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 678976 = 11105^2 + 824^2 .

It is an emirp because it is prime and its reverse (100000421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124000001 - 2¹⁴ = 123983617 is a prime.

It is not a weakly prime, because it can be changed into another prime (124000021) 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, 62000000 + 62000001.

It is an arithmetic number, because the mean of its divisors is an integer number (62000001).

Almost surely, 2^124000001 is an apocalyptic number.

It is an amenable number.

124000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

124000001 is an equidigital number, since it uses as much as digits as its factorization.

124000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 124000001 is about 11135.5287705614. The cubic root of 124000001 is about 498.6630965644.

Adding to 124000001 its reverse (100000421), we get a palindrome (224000422).

The spelling of 124000001 in words is "one hundred twenty-four million, one", and thus it is an aban number.