124320461 has 2 divisors, whose sum is σ = 124320462. Its totient is φ = 124320460.

The previous prime is 124320433. The next prime is 124320463. The reversal of 124320461 is 164023421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88548100 + 35772361 = 9410^2 + 5981^2 .

It is a cyclic number.

It is not a de Polignac number, because 124320461 - 2⁶ = 124320397 is a prime.

It is a super-4 number, since 4×124320461⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

Together with 124320463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124320463) 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, 62160230 + 62160231.

It is an arithmetic number, because the mean of its divisors is an integer number (62160231).

Almost surely, 2^124320461 is an apocalyptic number.

It is an amenable number.

124320461 is a deficient number, since it is larger than the sum of its proper divisors (1).

124320461 is an equidigital number, since it uses as much as digits as its factorization.

124320461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 124320461 is about 11149.9085646475. The cubic root of 124320461 is about 499.0923011628.

Adding to 124320461 its reverse (164023421), we get a palindrome (288343882).

The spelling of 124320461 in words is "one hundred twenty-four million, three hundred twenty thousand, four hundred sixty-one".