124249001 has 2 divisors, whose sum is σ = 124249002. Its totient is φ = 124249000.

The previous prime is 124248989. The next prime is 124249007. The reversal of 124249001 is 100942421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113976976 + 10272025 = 10676^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 124249001 - 2¹⁸ = 123986857 is a prime.

It is not a weakly prime, because it can be changed into another prime (124249007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62124500 + 62124501.

It is an arithmetic number, because the mean of its divisors is an integer number (62124501).

Almost surely, 2^124249001 is an apocalyptic number.

It is an amenable number.

124249001 is a deficient number, since it is larger than the sum of its proper divisors (1).

124249001 is an equidigital number, since it uses as much as digits as its factorization.

124249001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 124249001 is about 11146.7035934396. The cubic root of 124249001 is about 498.9966559482.

The spelling of 124249001 in words is "one hundred twenty-four million, two hundred forty-nine thousand, one".