124431001 has 2 divisors, whose sum is σ = 124431002. Its totient is φ = 124431000.

The previous prime is 124430987. The next prime is 124431017. The reversal of 124431001 is 100134421.

It is an a-pointer prime, because the next prime (124431017) can be obtained adding 124431001 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81920601 + 42510400 = 9051^2 + 6520^2 .

It is an emirp because it is prime and its reverse (100134421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124431001 - 2¹⁵ = 124398233 is a prime.

It is not a weakly prime, because it can be changed into another prime (124431071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62215500 + 62215501.

It is an arithmetic number, because the mean of its divisors is an integer number (62215501).

Almost surely, 2^124431001 is an apocalyptic number.

It is an amenable number.

124431001 is a deficient number, since it is larger than the sum of its proper divisors (1).

124431001 is an equidigital number, since it uses as much as digits as its factorization.

124431001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124431001 is about 11154.8644545777. The cubic root of 124431001 is about 499.2401806005.

Adding to 124431001 its reverse (100134421), we get a palindrome (224565422).

The spelling of 124431001 in words is "one hundred twenty-four million, four hundred thirty-one thousand, one".